From 60c413cfa926bffc79ff298354d42ea1910f36ad Mon Sep 17 00:00:00 2001
From: Roman Bataev <roman@bataev.me>
Date: Sat, 6 Apr 2019 15:40:01 -0700
Subject: [PATCH] Add joker.strconv.

---
 core/data/core.joke      |   2 +-
 core/procs.go            |   8 +
 docs/index.html          |   9 +
 docs/joker.repl.html     |  39 ++++
 docs/joker.strconv.html  | 246 +++++++++++++++++++++++++
 main.go                  |   1 +
 std/generate-std.joke    |   2 +-
 std/strconv.joke         | 123 +++++++++++++
 std/strconv/a_strconv.go | 381 +++++++++++++++++++++++++++++++++++++++
 9 files changed, 809 insertions(+), 2 deletions(-)
 create mode 100644 docs/joker.strconv.html
 create mode 100644 std/strconv.joke
 create mode 100644 std/strconv/a_strconv.go

diff --git a/core/data/core.joke b/core/data/core.joke
index 8c11f2f61..af262c1d3 100644
--- a/core/data/core.joke
+++ b/core/data/core.joke
@@ -3190,7 +3190,7 @@
     :doc "A set of symbols representing loaded libs"}
   *loaded-libs* #{'joker.base64 'joker.core 'joker.html 'joker.http 'joker.json
                   'joker.math 'joker.os 'joker.string 'joker.time 'joker.url
-                  'joker.yaml})
+                  'joker.yaml 'joker.strconv})
 
 (defonce ^:dynamic
   ^{:private true
diff --git a/core/procs.go b/core/procs.go
index f49b6f80f..d82eea585 100644
--- a/core/procs.go
+++ b/core/procs.go
@@ -112,6 +112,14 @@ func ExtractInt(args []Object, index int) int {
 	return EnsureInt(args, index).I
 }
 
+func ExtractBoolean(args []Object, index int) bool {
+	return EnsureBoolean(args, index).B
+}
+
+func ExtractChar(args []Object, index int) rune {
+	return EnsureChar(args, index).Ch
+}
+
 func ExtractTime(args []Object, index int) time.Time {
 	return EnsureTime(args, index).T
 }
diff --git a/docs/index.html b/docs/index.html
index feabbdedc..2d510a324 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -34,6 +34,9 @@ <h2>Index</h2>
 <li>
   <a href="#joker.set">joker.set</a>
 </li>
+<li>
+  <a href="#joker.strconv">joker.strconv</a>
+</li>
 <li>
   <a href="#joker.string">joker.string</a>
 </li>
@@ -115,6 +118,12 @@ <h3 id="joker.set">joker.set</h3>
   <p class="var-docstr">Set operations such as union/intersection.</p>
   <a href="joker.set.html">details</a>
 </li>
+<li>
+  <h3 id="joker.strconv">joker.strconv</h3>
+  <span class="var-added">v1.0</span>
+  <p class="var-docstr">Implements conversions to and from string representations of basic data types.</p>
+  <a href="joker.strconv.html">details</a>
+</li>
 <li>
   <h3 id="joker.string">joker.string</h3>
   <span class="var-added">v1.0</span>
diff --git a/docs/joker.repl.html b/docs/joker.repl.html
index 243614787..0780bef84 100644
--- a/docs/joker.repl.html
+++ b/docs/joker.repl.html
@@ -10,12 +10,51 @@ <h1>Namespace: joker.repl</h1>
     <h2>Index</h2>
     <ul class="index">
       <li>
+  <a href="#apropos">apropos</a>
+</li>
+<li>
+  <a href="#dir">dir</a>
+</li>
+<li>
+  <a href="#dir-fn">dir-fn</a>
+</li>
+<li>
   <a href="#doc">doc</a>
 </li>
 
     </ul>
     <ul>
       <li>
+  <h3 id="apropos">apropos</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v</span>
+  <pre class="var-usage"><div><code>(apropos str-or-pattern)</code></div>
+</pre>
+  <p class="var-docstr">Given a regular expression or stringable thing, return a seq of all<br>
+public definitions in all currently-loaded namespaces that match the<br>
+str-or-pattern.</p>
+  <a href="https://github.com/candid82/joker/blob/master/core/data/repl.joke#L87">source</a>
+</li>
+<li>
+  <h3 id="dir">dir</h3>
+  <span class="var-type Macro">Macro</span>
+  <span class="var-added">v</span>
+  <pre class="var-usage"><div><code>(dir nsname)</code></div>
+</pre>
+  <p class="var-docstr">Prints a sorted directory of public vars in a namespace</p>
+  <a href="https://github.com/candid82/joker/blob/master/core/data/repl.joke#L107">source</a>
+</li>
+<li>
+  <h3 id="dir-fn">dir-fn</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v</span>
+  <pre class="var-usage"><div><code>(dir-fn ns)</code></div>
+</pre>
+  <p class="var-docstr">Returns a sorted seq of symbols naming public vars in<br>
+  a namespace or namespace alias. Looks for aliases in *ns*</p>
+  <a href="https://github.com/candid82/joker/blob/master/core/data/repl.joke#L101">source</a>
+</li>
+<li>
   <h3 id="doc">doc</h3>
   <span class="var-type Macro">Macro</span>
   <span class="var-added">v1.0</span>
diff --git a/docs/joker.strconv.html b/docs/joker.strconv.html
new file mode 100644
index 000000000..746adcef6
--- /dev/null
+++ b/docs/joker.strconv.html
@@ -0,0 +1,246 @@
+<html>
+<head>
+  <link rel="stylesheet" type="text/css" href="main.css">
+</head>
+<body>
+  <div class="main">
+    <h1>Namespace: joker.strconv</h1>
+    <span class="var-added">v1.0</span>
+    <p class="var-docstr">Implements conversions to and from string representations of basic data types.</p>
+    <h2>Index</h2>
+    <ul class="index">
+      <li>
+  <a href="#atoi">atoi</a>
+</li>
+<li>
+  <a href="#can-backquote?">can-backquote?</a>
+</li>
+<li>
+  <a href="#format-bool">format-bool</a>
+</li>
+<li>
+  <a href="#format-double">format-double</a>
+</li>
+<li>
+  <a href="#format-int">format-int</a>
+</li>
+<li>
+  <a href="#graphic?">graphic?</a>
+</li>
+<li>
+  <a href="#itoa">itoa</a>
+</li>
+<li>
+  <a href="#parse-bool">parse-bool</a>
+</li>
+<li>
+  <a href="#parse-double">parse-double</a>
+</li>
+<li>
+  <a href="#parse-int">parse-int</a>
+</li>
+<li>
+  <a href="#printable?">printable?</a>
+</li>
+<li>
+  <a href="#quote">quote</a>
+</li>
+<li>
+  <a href="#quote-char">quote-char</a>
+</li>
+<li>
+  <a href="#quote-char-to-ascii">quote-char-to-ascii</a>
+</li>
+<li>
+  <a href="#quote-char-to-graphic">quote-char-to-graphic</a>
+</li>
+<li>
+  <a href="#quote-to-ascii">quote-to-ascii</a>
+</li>
+<li>
+  <a href="#quote-to-graphic">quote-to-graphic</a>
+</li>
+<li>
+  <a href="#unquote">unquote</a>
+</li>
+
+    </ul>
+    <ul>
+      <li>
+  <h3 id="atoi">atoi</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(atoi s)</code></div>
+</pre>
+  <p class="var-docstr">Equivalent to (parse-int s 10 0).</p>
+  
+</li>
+<li>
+  <h3 id="can-backquote?">can-backquote?</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(can-backquote? s)</code></div>
+</pre>
+  <p class="var-docstr">Reports whether the string s can be represented unchanged as a single-line backquoted string without control characters other than tab.</p>
+  
+</li>
+<li>
+  <h3 id="format-bool">format-bool</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(format-bool b)</code></div>
+</pre>
+  <p class="var-docstr">Returns "true" or "false" according to the value of b.</p>
+  
+</li>
+<li>
+  <h3 id="format-double">format-double</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(format-double f fmt prec bitSize)</code></div>
+</pre>
+  <p class="var-docstr">Converts the floating-point number f to a string, according to the format fmt and precision prec. It rounds the result assuming that the original was obtained from a floating-point value of bitSize bits (32 for float32, 64 for float64).<br>
+  The format fmt is one of 'b' (-ddddp±ddd, a binary exponent), 'e' (-d.dddde±dd, a decimal exponent), 'E' (-d.ddddE±dd, a decimal exponent), 'f' (-ddd.dddd, no exponent), 'g' ('e' for large exponents, 'f' otherwise), or 'G' ('E' for large exponents, 'f' otherwise).<br>
+  The precision prec controls the number of digits (excluding the exponent) printed by the 'e', 'E', 'f', 'g', and 'G' formats. For 'e', 'E', and 'f' it is the number of digits after the decimal point. For 'g' and 'G' it is the maximum number of significant digits (trailing zeros are removed). The special precision -1 uses the smallest number of digits necessary such that ParseFloat will return f exactly.</p>
+  
+</li>
+<li>
+  <h3 id="format-int">format-int</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(format-int i base)</code></div>
+</pre>
+  <p class="var-docstr">Returns the string representation of i in the given base, for 2 <= base <= 36. The result uses the lower-case letters 'a' to 'z' for digit values >= 10.</p>
+  
+</li>
+<li>
+  <h3 id="graphic?">graphic?</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(graphic? c)</code></div>
+</pre>
+  <p class="var-docstr">Reports whether the char is defined as a Graphic by Unicode. Such characters include letters, marks, numbers, punctuation, symbols, and spaces, from categories L, M, N, P, S, and Zs.</p>
+  
+</li>
+<li>
+  <h3 id="itoa">itoa</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(itoa i)</code></div>
+</pre>
+  <p class="var-docstr">Equivalent to (format-int i 10).</p>
+  
+</li>
+<li>
+  <h3 id="parse-bool">parse-bool</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(parse-bool s)</code></div>
+</pre>
+  <p class="var-docstr">Returns the boolean value represented by the string. It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False. Any other value returns an error.</p>
+  
+</li>
+<li>
+  <h3 id="parse-double">parse-double</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(parse-double s)</code></div>
+</pre>
+  <p class="var-docstr">Converts the string s to a floating-point number.</p>
+  
+</li>
+<li>
+  <h3 id="parse-int">parse-int</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(parse-int s base bitSize)</code></div>
+</pre>
+  <p class="var-docstr">Interprets a string s in the given base (0, 2 to 36) and bit size (0 to 64) and returns the corresponding value i.<br>
+  If base == 0, the base is implied by the string's prefix: base 16 for "0x", base 8 for "0", and base 10 otherwise. For bases 1, below 0 or above 36 an error is returned.<br>
+  The bitSize argument specifies the integer type that the result must fit into. Bit sizes 0, 8, 16, 32, and 64 correspond to int, int8, int16, int32, and int64. For a bitSize below 0 or above 64 an error is returned.</p>
+  
+</li>
+<li>
+  <h3 id="printable?">printable?</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(printable? c)</code></div>
+</pre>
+  <p class="var-docstr">Reports whether the char is defined as printable by Joker: letters, numbers, punctuation, symbols and ASCII space.</p>
+  
+</li>
+<li>
+  <h3 id="quote">quote</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(quote s)</code></div>
+</pre>
+  <p class="var-docstr">Returns a double-quoted string literal representing s. The returned string uses escape sequences (\t, \n, \xFF, \u0100)<br>
+  for control characters and non-printable characters as defined by printable?.</p>
+  
+</li>
+<li>
+  <h3 id="quote-char">quote-char</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(quote-char c)</code></div>
+</pre>
+  <p class="var-docstr">Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\t, \n, \xFF, \u0100)<br>
+  for control characters and non-printable characters as defined by printable?.</p>
+  
+</li>
+<li>
+  <h3 id="quote-char-to-ascii">quote-char-to-ascii</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(quote-char-to-ascii c)</code></div>
+</pre>
+  <p class="var-docstr">Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\t, \n, \xFF, \u0100)<br>
+  for non-ASCII characters and non-printable characters as defined by printable?.</p>
+  
+</li>
+<li>
+  <h3 id="quote-char-to-graphic">quote-char-to-graphic</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(quote-char-to-graphic c)</code></div>
+</pre>
+  <p class="var-docstr">Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\t, \n, \xFF, \u0100)<br>
+  for non-ASCII characters and non-printable characters as defined by graphic?.</p>
+  
+</li>
+<li>
+  <h3 id="quote-to-ascii">quote-to-ascii</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(quote-to-ascii s)</code></div>
+</pre>
+  <p class="var-docstr">Returns a double-quoted string literal representing s. The returned string uses escape sequences (\t, \n, \xFF, \u0100)<br>
+  for non-ASCII characters and non-printable characters as defined by printable?.</p>
+  
+</li>
+<li>
+  <h3 id="quote-to-graphic">quote-to-graphic</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(quote-to-graphic s)</code></div>
+</pre>
+  <p class="var-docstr">Returns a double-quoted string literal representing s. The returned string uses escape sequences (\t, \n, \xFF, \u0100)<br>
+  for non-ASCII characters and non-printable characters as defined by graphic?.</p>
+  
+</li>
+<li>
+  <h3 id="unquote">unquote</h3>
+  <span class="var-type Function">Function</span>
+  <span class="var-added">v1.0</span>
+  <pre class="var-usage"><div><code>(unquote s)</code></div>
+</pre>
+  <p class="var-docstr">Interprets s as a single-quoted, double-quoted, or backquoted string literal, returning the string value that s quotes.<br>
+  (If s is single-quoted, it would be a Go character literal; Unquote returns the corresponding one-character string.)</p>
+  
+</li>
+
+    </ul>
+  </div>
+</body>
+</html>
diff --git a/main.go b/main.go
index 6af1304fc..3d8d31723 100644
--- a/main.go
+++ b/main.go
@@ -19,6 +19,7 @@ import (
 	_ "github.com/candid82/joker/std/json"
 	_ "github.com/candid82/joker/std/math"
 	_ "github.com/candid82/joker/std/os"
+	_ "github.com/candid82/joker/std/strconv"
 	_ "github.com/candid82/joker/std/string"
 	_ "github.com/candid82/joker/std/time"
 	_ "github.com/candid82/joker/std/url"
diff --git a/std/generate-std.joke b/std/generate-std.joke
index cab9cee25..7a4f27cba 100644
--- a/std/generate-std.joke
+++ b/std/generate-std.joke
@@ -1,4 +1,4 @@
-(def namespaces ['base64 'html 'http 'json 'math 'os 'string 'time 'url 'yaml])
+(def namespaces ['base64 'html 'http 'json 'math 'os 'string 'time 'url 'yaml 'strconv])
 
 (require '[joker.string :as s])
 
diff --git a/std/strconv.joke b/std/strconv.joke
new file mode 100644
index 000000000..e3ad2088d
--- /dev/null
+++ b/std/strconv.joke
@@ -0,0 +1,123 @@
+(ns
+  ^{:go-imports ["strconv"]
+    :doc "Implements conversions to and from string representations of basic data types."}
+  strconv)
+
+(defn ^Int atoi
+  "Equivalent to (parse-int s 10 0)."
+  {:added "1.0"
+  :go "!_res, err := strconv.Atoi(s); PanicOnErr(err)"}
+  [^String s])
+
+(defn ^Boolean can-backquote?
+  "Reports whether the string s can be represented unchanged as a single-line backquoted string without control characters other than tab."
+  {:added "1.0"
+  :go "strconv.CanBackquote(s)"}
+  [^String s])
+
+(defn ^String format-bool
+  "Returns \"true\" or \"false\" according to the value of b."
+  {:added "1.0"
+  :go "strconv.FormatBool(b)"}
+  [^Boolean b])
+
+(defn ^String format-double
+  "Converts the floating-point number f to a string, according to the format fmt and precision prec. It rounds the result assuming that the original was obtained from a floating-point value of bitSize bits (32 for float32, 64 for float64).
+  The format fmt is one of 'b' (-ddddp±ddd, a binary exponent), 'e' (-d.dddde±dd, a decimal exponent), 'E' (-d.ddddE±dd, a decimal exponent), 'f' (-ddd.dddd, no exponent), 'g' ('e' for large exponents, 'f' otherwise), or 'G' ('E' for large exponents, 'f' otherwise).
+  The precision prec controls the number of digits (excluding the exponent) printed by the 'e', 'E', 'f', 'g', and 'G' formats. For 'e', 'E', and 'f' it is the number of digits after the decimal point. For 'g' and 'G' it is the maximum number of significant digits (trailing zeros are removed). The special precision -1 uses the smallest number of digits necessary such that ParseFloat will return f exactly."
+  {:added "1.0"
+  :go "strconv.FormatFloat(f, byte(fmt), prec, bitSize)"}
+  [^Double f ^Char fmt ^Int prec ^Int bitSize])
+
+(defn ^String format-int
+  "Returns the string representation of i in the given base, for 2 <= base <= 36. The result uses the lower-case letters 'a' to 'z' for digit values >= 10."
+  {:added "1.0"
+  :go "strconv.FormatInt(int64(i), base)"}
+  [^Int i ^Int base])
+
+(defn ^Boolean graphic?
+  "Reports whether the char is defined as a Graphic by Unicode. Such characters include letters, marks, numbers, punctuation, symbols, and spaces, from categories L, M, N, P, S, and Zs."
+  {:added "1.0"
+  :go "strconv.IsGraphic(c)"}
+  [^Char c])
+
+(defn ^Boolean printable?
+  "Reports whether the char is defined as printable by Joker: letters, numbers, punctuation, symbols and ASCII space."
+  {:added "1.0"
+  :go "strconv.IsPrint(c)"}
+  [^Char c])
+
+(defn ^String itoa
+  "Equivalent to (format-int i 10)."
+  {:added "1.0"
+  :go "strconv.Itoa(i)"}
+  [^Int i])
+
+(defn ^Boolean parse-bool
+  "Returns the boolean value represented by the string. It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False. Any other value returns an error."
+  {:added "1.0"
+  :go "!_res, err := strconv.ParseBool(s); PanicOnErr(err)"}
+  [^String s])
+
+(defn ^Double parse-double
+  "Converts the string s to a floating-point number."
+  {:added "1.0"
+  :go "!_res, err := strconv.ParseFloat(s, 64); PanicOnErr(err)"}
+  [^String s])
+
+(defn ^Int parse-int
+  "Interprets a string s in the given base (0, 2 to 36) and bit size (0 to 64) and returns the corresponding value i.
+  If base == 0, the base is implied by the string's prefix: base 16 for \"0x\", base 8 for \"0\", and base 10 otherwise. For bases 1, below 0 or above 36 an error is returned.
+  The bitSize argument specifies the integer type that the result must fit into. Bit sizes 0, 8, 16, 32, and 64 correspond to int, int8, int16, int32, and int64. For a bitSize below 0 or above 64 an error is returned."
+  {:added "1.0"
+  :go "!t, err := strconv.ParseInt(s, base, bitSize); PanicOnErr(err); _res := int(t)"}
+  [^String s ^Int base ^Int bitSize])
+
+(defn ^String quote
+  "Returns a double-quoted string literal representing s. The returned string uses escape sequences (\\t, \\n, \\xFF, \\u0100)
+  for control characters and non-printable characters as defined by printable?."
+  {:added "1.0"
+  :go "strconv.Quote(s)"}
+  [^String s])
+
+(defn ^String quote-char
+  "Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\\t, \\n, \\xFF, \\u0100)
+  for control characters and non-printable characters as defined by printable?."
+  {:added "1.0"
+  :go "strconv.QuoteRune(c)"}
+  [^Char c])
+
+(defn ^String quote-char-to-ascii
+  "Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\\t, \\n, \\xFF, \\u0100)
+  for non-ASCII characters and non-printable characters as defined by printable?."
+  {:added "1.0"
+  :go "strconv.QuoteRuneToASCII(c)"}
+  [^Char c])
+
+(defn ^String quote-char-to-graphic
+  "Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\\t, \\n, \\xFF, \\u0100)
+  for non-ASCII characters and non-printable characters as defined by graphic?."
+  {:added "1.0"
+  :go "strconv.QuoteRuneToGraphic(c)"}
+  [^Char c])
+
+(defn ^String quote-to-ascii
+  "Returns a double-quoted string literal representing s. The returned string uses escape sequences (\\t, \\n, \\xFF, \\u0100)
+  for non-ASCII characters and non-printable characters as defined by printable?."
+  {:added "1.0"
+  :go "strconv.QuoteToASCII(s)"}
+  [^String s])
+
+(defn ^String quote-to-graphic
+  "Returns a double-quoted string literal representing s. The returned string uses escape sequences (\\t, \\n, \\xFF, \\u0100)
+  for non-ASCII characters and non-printable characters as defined by graphic?."
+  {:added "1.0"
+  :go "strconv.QuoteToGraphic(s)"}
+  [^String s])
+
+(defn ^String unquote
+  "Interprets s as a single-quoted, double-quoted, or backquoted string literal, returning the string value that s quotes.
+  (If s is single-quoted, it would be a Go character literal; Unquote returns the corresponding one-character string.)"
+  {:added "1.0"
+  :go "!_res, err := strconv.Unquote(s); PanicOnErr(err)"}
+  [^String s])
diff --git a/std/strconv/a_strconv.go b/std/strconv/a_strconv.go
new file mode 100644
index 000000000..239feaf01
--- /dev/null
+++ b/std/strconv/a_strconv.go
@@ -0,0 +1,381 @@
+// This file is generated by generate-std.joke script. Do not edit manually!
+
+package strconv
+
+import (
+	. "github.com/candid82/joker/core"
+	"strconv"
+)
+
+var strconvNamespace = GLOBAL_ENV.EnsureNamespace(MakeSymbol("joker.strconv"))
+
+var atoi_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res, err := strconv.Atoi(s)
+		PanicOnErr(err)
+		return MakeInt(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var iscan_backquote_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res := strconv.CanBackquote(s)
+		return MakeBoolean(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var format_bool_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		b := ExtractBoolean(_args, 0)
+		_res := strconv.FormatBool(b)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var format_double_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 4:
+		f := ExtractDouble(_args, 0)
+		fmt := ExtractChar(_args, 1)
+		prec := ExtractInt(_args, 2)
+		bitSize := ExtractInt(_args, 3)
+		_res := strconv.FormatFloat(f, byte(fmt), prec, bitSize)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var format_int_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 2:
+		i := ExtractInt(_args, 0)
+		base := ExtractInt(_args, 1)
+		_res := strconv.FormatInt(int64(i), base)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var isgraphic_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		c := ExtractChar(_args, 0)
+		_res := strconv.IsGraphic(c)
+		return MakeBoolean(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var itoa_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		i := ExtractInt(_args, 0)
+		_res := strconv.Itoa(i)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var parse_bool_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res, err := strconv.ParseBool(s)
+		PanicOnErr(err)
+		return MakeBoolean(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var parse_double_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res, err := strconv.ParseFloat(s, 64)
+		PanicOnErr(err)
+		return MakeDouble(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var parse_int_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 3:
+		s := ExtractString(_args, 0)
+		base := ExtractInt(_args, 1)
+		bitSize := ExtractInt(_args, 2)
+		t, err := strconv.ParseInt(s, base, bitSize)
+		PanicOnErr(err)
+		_res := int(t)
+		return MakeInt(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var isprintable_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		c := ExtractChar(_args, 0)
+		_res := strconv.IsPrint(c)
+		return MakeBoolean(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var quote_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res := strconv.Quote(s)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var quote_char_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		c := ExtractChar(_args, 0)
+		_res := strconv.QuoteRune(c)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var quote_char_to_ascii_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		c := ExtractChar(_args, 0)
+		_res := strconv.QuoteRuneToASCII(c)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var quote_char_to_graphic_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		c := ExtractChar(_args, 0)
+		_res := strconv.QuoteRuneToGraphic(c)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var quote_to_ascii_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res := strconv.QuoteToASCII(s)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var quote_to_graphic_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res := strconv.QuoteToGraphic(s)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+var unquote_ Proc = func(_args []Object) Object {
+	_c := len(_args)
+	switch {
+	case _c == 1:
+		s := ExtractString(_args, 0)
+		_res, err := strconv.Unquote(s)
+		PanicOnErr(err)
+		return MakeString(_res)
+
+	default:
+		PanicArity(_c)
+	}
+	return NIL
+}
+
+func init() {
+
+	strconvNamespace.ResetMeta(MakeMeta(nil, "Implements conversions to and from string representations of basic data types.", "1.0"))
+
+	strconvNamespace.InternVar("atoi", atoi_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Equivalent to (parse-int s 10 0).`, "1.0"))
+
+	strconvNamespace.InternVar("can-backquote?", iscan_backquote_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Reports whether the string s can be represented unchanged as a single-line backquoted string without control characters other than tab.`, "1.0"))
+
+	strconvNamespace.InternVar("format-bool", format_bool_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("b"))),
+			`Returns "true" or "false" according to the value of b.`, "1.0"))
+
+	strconvNamespace.InternVar("format-double", format_double_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("f"), MakeSymbol("fmt"), MakeSymbol("prec"), MakeSymbol("bitSize"))),
+			`Converts the floating-point number f to a string, according to the format fmt and precision prec. It rounds the result assuming that the original was obtained from a floating-point value of bitSize bits (32 for float32, 64 for float64).
+  The format fmt is one of 'b' (-ddddp±ddd, a binary exponent), 'e' (-d.dddde±dd, a decimal exponent), 'E' (-d.ddddE±dd, a decimal exponent), 'f' (-ddd.dddd, no exponent), 'g' ('e' for large exponents, 'f' otherwise), or 'G' ('E' for large exponents, 'f' otherwise).
+  The precision prec controls the number of digits (excluding the exponent) printed by the 'e', 'E', 'f', 'g', and 'G' formats. For 'e', 'E', and 'f' it is the number of digits after the decimal point. For 'g' and 'G' it is the maximum number of significant digits (trailing zeros are removed). The special precision -1 uses the smallest number of digits necessary such that ParseFloat will return f exactly.`, "1.0"))
+
+	strconvNamespace.InternVar("format-int", format_int_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("i"), MakeSymbol("base"))),
+			`Returns the string representation of i in the given base, for 2 <= base <= 36. The result uses the lower-case letters 'a' to 'z' for digit values >= 10.`, "1.0"))
+
+	strconvNamespace.InternVar("graphic?", isgraphic_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("c"))),
+			`Reports whether the char is defined as a Graphic by Unicode. Such characters include letters, marks, numbers, punctuation, symbols, and spaces, from categories L, M, N, P, S, and Zs.`, "1.0"))
+
+	strconvNamespace.InternVar("itoa", itoa_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("i"))),
+			`Equivalent to (format-int i 10).`, "1.0"))
+
+	strconvNamespace.InternVar("parse-bool", parse_bool_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Returns the boolean value represented by the string. It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False. Any other value returns an error.`, "1.0"))
+
+	strconvNamespace.InternVar("parse-double", parse_double_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Converts the string s to a floating-point number.`, "1.0"))
+
+	strconvNamespace.InternVar("parse-int", parse_int_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"), MakeSymbol("base"), MakeSymbol("bitSize"))),
+			`Interprets a string s in the given base (0, 2 to 36) and bit size (0 to 64) and returns the corresponding value i.
+  If base == 0, the base is implied by the string's prefix: base 16 for "0x", base 8 for "0", and base 10 otherwise. For bases 1, below 0 or above 36 an error is returned.
+  The bitSize argument specifies the integer type that the result must fit into. Bit sizes 0, 8, 16, 32, and 64 correspond to int, int8, int16, int32, and int64. For a bitSize below 0 or above 64 an error is returned.`, "1.0"))
+
+	strconvNamespace.InternVar("printable?", isprintable_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("c"))),
+			`Reports whether the char is defined as printable by Joker: letters, numbers, punctuation, symbols and ASCII space.`, "1.0"))
+
+	strconvNamespace.InternVar("quote", quote_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Returns a double-quoted string literal representing s. The returned string uses escape sequences (\t, \n, \xFF, \u0100)
+  for control characters and non-printable characters as defined by printable?.`, "1.0"))
+
+	strconvNamespace.InternVar("quote-char", quote_char_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("c"))),
+			`Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\t, \n, \xFF, \u0100)
+  for control characters and non-printable characters as defined by printable?.`, "1.0"))
+
+	strconvNamespace.InternVar("quote-char-to-ascii", quote_char_to_ascii_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("c"))),
+			`Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\t, \n, \xFF, \u0100)
+  for non-ASCII characters and non-printable characters as defined by printable?.`, "1.0"))
+
+	strconvNamespace.InternVar("quote-char-to-graphic", quote_char_to_graphic_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("c"))),
+			`Returns a single-quoted char literal representing the character. The returned string uses escape sequences (\t, \n, \xFF, \u0100)
+  for non-ASCII characters and non-printable characters as defined by graphic?.`, "1.0"))
+
+	strconvNamespace.InternVar("quote-to-ascii", quote_to_ascii_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Returns a double-quoted string literal representing s. The returned string uses escape sequences (\t, \n, \xFF, \u0100)
+  for non-ASCII characters and non-printable characters as defined by printable?.`, "1.0"))
+
+	strconvNamespace.InternVar("quote-to-graphic", quote_to_graphic_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Returns a double-quoted string literal representing s. The returned string uses escape sequences (\t, \n, \xFF, \u0100)
+  for non-ASCII characters and non-printable characters as defined by graphic?.`, "1.0"))
+
+	strconvNamespace.InternVar("unquote", unquote_,
+		MakeMeta(
+			NewListFrom(NewVectorFrom(MakeSymbol("s"))),
+			`Interprets s as a single-quoted, double-quoted, or backquoted string literal, returning the string value that s quotes.
+  (If s is single-quoted, it would be a Go character literal; Unquote returns the corresponding one-character string.)`, "1.0"))
+
+}