From dd7dc8509a3debc2a9325d2f68984a0f83ab3d1a Mon Sep 17 00:00:00 2001
From: Thuc Le <ledongthuc@gmail.com>
Date: Tue, 15 Mar 2022 19:27:11 +0100
Subject: [PATCH] bug: correct pipeline, contraints package and example
 functions

---
 .github/workflows/build.yml | 5 +----
 README.md                   | 2 +-
 constraints.go              | 2 +-
 count.go                    | 2 +-
 count_list.go               | 2 +-
 every_test.go               | 2 +-
 exist_test.go               | 2 +-
 filter_test.go              | 2 +-
 find_test.go                | 2 +-
 flat_test.go                | 2 +-
 foreach_test.go             | 2 +-
 go.mod                      | 2 ++
 go.sum                      | 2 ++
 group_test.go               | 2 +-
 map_test.go                 | 2 +-
 max.go                      | 2 +-
 min.go                      | 2 +-
 mode.go                     | 2 +-
 reduce_right_test.go        | 2 +-
 reduce_test.go              | 2 +-
 some_test.go                | 2 +-
 21 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 11e990e..cbba331 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,16 +18,13 @@ jobs:
     - name: Install dependencies
       run: |
         go version
-        cd server; go mod tidy
+        go mod tidy
     - name: Run build
       run: |
-        cd server
         go build . 
     - name: Run testing
       run: |
-        cd server
         go test -v
     - name: Run vetting
       run: |
-        cd server
         go vet -v ./...
diff --git a/README.md b/README.md
index 3565a36..1b4215f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Goterators
-[![Built with WeBuild](https://raw.githubusercontent.com/webuild-community/badge/master/svg/WeBuild.svg)](https://webuild.community) [![Go Reference](https://pkg.go.dev/badge/github.com/ledongthuc/goterators.svg)](https://pkg.go.dev/github.com/ledongthuc/goterators)
+[![Built with WeBuild](https://raw.githubusercontent.com/webuild-community/badge/master/svg/WeBuild.svg)](https://webuild.community) [![Go Reference](https://pkg.go.dev/badge/github.com/ledongthuc/goterators.svg)](https://pkg.go.dev/github.com/ledongthuc/goterators) [![goterators-Build](https://github.com/ledongthuc/goterators/actions/workflows/build.yml/badge.svg)](https://github.com/ledongthuc/goterators/actions/workflows/build.yml)
 
 ![goterators-Thumbnail](https://user-images.githubusercontent.com/1828895/147876484-5bc7cfd0-5f14-4889-a3f0-64cb307b7765.png)
 
diff --git a/constraints.go b/constraints.go
index cb33a71..ab34cfc 100644
--- a/constraints.go
+++ b/constraints.go
@@ -1,6 +1,6 @@
 package goterators
 
-import "constraints"
+import "golang.org/x/exp/constraints"
 
 type Number interface {
 	constraints.Integer | constraints.Float
diff --git a/count.go b/count.go
index edf9d1b..d980537 100644
--- a/count.go
+++ b/count.go
@@ -1,6 +1,6 @@
 package goterators
 
-import "constraints"
+import "golang.org/x/exp/constraints"
 
 // Count returns number of checking item exists in source list
 func Count[T constraints.Ordered](source []T, checkedItem T) (result int) {
diff --git a/count_list.go b/count_list.go
index 9a7dc1e..c92baf3 100644
--- a/count_list.go
+++ b/count_list.go
@@ -1,6 +1,6 @@
 package goterators
 
-import "constraints"
+import "golang.org/x/exp/constraints"
 
 // CountList returns sub-list counter of input sub-list that want to count from source list.
 func CountList[T constraints.Ordered](source []T, checkedItems []T) []int {
diff --git a/every_test.go b/every_test.go
index e6bf85e..9f1f3b5 100644
--- a/every_test.go
+++ b/every_test.go
@@ -25,7 +25,7 @@ func TestEveryNotValid(t *testing.T) {
 	}
 }
 
-func ExampleEvery(t *testing.T) {
+func ExampleEvery() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	everyValid := Every(testSource, func(item int) bool { return item <= 20 })
 	fmt.Println("Every: ", everyValid)
diff --git a/exist_test.go b/exist_test.go
index 11d1c9d..4d688d5 100644
--- a/exist_test.go
+++ b/exist_test.go
@@ -33,7 +33,7 @@ func TestExistString(t *testing.T) {
 	}
 }
 
-func ExampleExist(t *testing.T) {
+func ExampleExist() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	fmt.Println("Exist: ", Exist(testSource, 15))
 }
diff --git a/filter_test.go b/filter_test.go
index 6d8d4ab..3ed02e4 100644
--- a/filter_test.go
+++ b/filter_test.go
@@ -40,7 +40,7 @@ func TestFilterString(t *testing.T) {
 	}
 }
 
-func ExampleFilter(t *testing.T) {
+func ExampleFilter() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	filteredItems := Filter(testSource, func(item int) bool {
 		return item%2 == 0
diff --git a/find_test.go b/find_test.go
index b7c8109..07c954d 100644
--- a/find_test.go
+++ b/find_test.go
@@ -59,7 +59,7 @@ func TestFindString(t *testing.T) {
 	}
 }
 
-func ExampleFind(t *testing.T) {
+func ExampleFind() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	firstFoundItem, index, _ := Find(testSource, func(item int) bool {
 		return item%10 == 0
diff --git a/flat_test.go b/flat_test.go
index 9e10df3..bf1cca4 100644
--- a/flat_test.go
+++ b/flat_test.go
@@ -41,7 +41,7 @@ func TestFlatNested(t *testing.T) {
 	}
 }
 
-func ExampleFlat(t *testing.T) {
+func ExampleFlat() {
 	testSource := [][]int{{1, 2, 3, 4}, {5, 6, 7, 8, 9, 10, 11}, {12, 13, 14, 15, 16, 17, 18, 19}, {20}, {}}
 	items := Flat(testSource)
 	fmt.Println("Flat: ", items)
diff --git a/foreach_test.go b/foreach_test.go
index 40c1cb9..991f50e 100644
--- a/foreach_test.go
+++ b/foreach_test.go
@@ -27,7 +27,7 @@ func testForEach[K comparable](source []K, t *testing.T) {
 	}
 }
 
-func ExampleForEach(t *testing.T) {
+func ExampleForEach() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	ForEach(testSource, func(item int) {
 		fmt.Println("ForEach: ", item)
diff --git a/go.mod b/go.mod
index fb02aa1..c9044d2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module github.com/ledongthuc/goterators
 
 go 1.18
+
+require golang.org/x/exp v0.0.0-20220314205449-43aec2f8a4e7 // indirect
diff --git a/go.sum b/go.sum
index e69de29..033310c 100644
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/exp v0.0.0-20220314205449-43aec2f8a4e7 h1:jynE66seADJbyWMUdeOyVTvPtBZt7L6LJHupGwxPZRM=
+golang.org/x/exp v0.0.0-20220314205449-43aec2f8a4e7/go.mod h1:lgLbSvA5ygNOMpwM/9anMpWVlVJ7Z+cHWq/eFuinpGE=
diff --git a/group_test.go b/group_test.go
index bc5f455..e6299ac 100644
--- a/group_test.go
+++ b/group_test.go
@@ -62,7 +62,7 @@ func TestGroup(t *testing.T) {
 	}
 }
 
-func ExampleGroup(t *testing.T) {
+func ExampleGroup() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	groups := Group(testSource, func(item int) int {
 		return item % 2
diff --git a/map_test.go b/map_test.go
index 6cee044..4ff303f 100644
--- a/map_test.go
+++ b/map_test.go
@@ -30,7 +30,7 @@ func TestMap(t *testing.T) {
 	}
 }
 
-func ExampleMap(t *testing.T) {
+func ExampleMap() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	mappedItems := Map(testSource, func(item int) string {
 		return fmt.Sprintf("Item-%d", item)
diff --git a/max.go b/max.go
index 13278c8..f34b838 100644
--- a/max.go
+++ b/max.go
@@ -1,6 +1,6 @@
 package goterators
 
-import "constraints"
+import "golang.org/x/exp/constraints"
 
 // Max find largest value from source list
 func Max[T constraints.Ordered](source []T) (result T, err error) {
diff --git a/min.go b/min.go
index ea6d7b8..efbb412 100644
--- a/min.go
+++ b/min.go
@@ -1,6 +1,6 @@
 package goterators
 
-import "constraints"
+import "golang.org/x/exp/constraints"
 
 // Min find smallest value from source list
 func Min[T constraints.Ordered](source []T) (result T, err error) {
diff --git a/mode.go b/mode.go
index 96cac72..5865c8a 100644
--- a/mode.go
+++ b/mode.go
@@ -1,6 +1,6 @@
 package goterators
 
-import "constraints"
+import "golang.org/x/exp/constraints"
 
 // Mode return a value that appears most often in the source list.
 func Mode[T constraints.Ordered](source []T) (T, int) {
diff --git a/reduce_right_test.go b/reduce_right_test.go
index 2ae012e..0873072 100644
--- a/reduce_right_test.go
+++ b/reduce_right_test.go
@@ -22,7 +22,7 @@ func TestReduceRight(t *testing.T) {
 	}
 }
 
-func ExampleReduceRight(t *testing.T) {
+func ExampleReduceRight() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	result := ReduceRight(testSource, []int{}, func(previous []int, current int, index int, list []int) []int {
 		return append(previous, current)
diff --git a/reduce_test.go b/reduce_test.go
index a35578c..a89aedc 100644
--- a/reduce_test.go
+++ b/reduce_test.go
@@ -34,7 +34,7 @@ func TestReduceSimulateMap(t *testing.T) {
 	}
 }
 
-func ExampleReduce(t *testing.T) {
+func ExampleReduce() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	result := Reduce(testSource, 0, func(previous int, current int, index int, list []int) int {
 		return previous + current
diff --git a/some_test.go b/some_test.go
index 07e339d..28fb9fe 100644
--- a/some_test.go
+++ b/some_test.go
@@ -25,7 +25,7 @@ func TestSomeNotValid(t *testing.T) {
 	}
 }
 
-func ExampleSome(t *testing.T) {
+func ExampleSome() {
 	testSource := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 	result := Some(testSource, func(item int) bool {
 		return item%2 == 0