init

.vscode/configurationCache.log

@@ -0,0 +1 @@
+{"buildTargets":[],"launchTargets":[],"customConfigurationProvider":{"workspaceBrowse":{"browsePath":[],"compilerArgs":[]},"fileIndex":[]}}

.vscode/dryrun.log

@@ -0,0 +1,6 @@
+make.exe --dry-run --always-make --keep-going --print-directory
+make: Entering directory 'c:/Users/ACER/Projects/GoLang/learn-goroutines'
+make: Leaving directory 'c:/Users/ACER/Projects/GoLang/learn-goroutines'
+
+make: *** No targets specified and no makefile found.  Stop.
+

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "makefile.extensionOutputFolder": "./.vscode"
+}

.vscode/targets.log

@@ -0,0 +1,319 @@
+make.exe all --print-data-base --no-builtin-variables --no-builtin-rules --question
+make: *** No rule to make target 'all'.  Stop.
+
+# GNU Make 4.3
+# Built for Windows32
+# Copyright (C) 1988-2020 Free Software Foundation, Inc.
+# License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
+# This is free software: you are free to change and redistribute it.
+# There is NO WARRANTY, to the extent permitted by law.
+
+# Make data base, printed on Wed Aug 24 08:02:41 2022
+
+# Variables
+
+# environment
+FPS_BROWSER_APP_PROFILE_STRING = Internet Explorer
+# environment
+SYSTEMDRIVE = C:
+# environment
+JAVA_HOME = C:\Program Files\OpenJDK\openjdk-8u302-b08
+# environment
+LC_ALL = C
+# environment
+USERPROFILE = C:\Users\ACER
+# environment
+MKL_SERIAL = YES
+# environment
+LOCALAPPDATA = C:\Users\ACER\AppData\Local
+# environment
+VSCODE_CWD = C:\WINDOWS\system32
+# environment
+CHOCOLATEYINSTALL = C:\ProgramData\chocolatey
+# environment
+SYSTEMROOT = C:\WINDOWS
+# environment
+PROCESSOR_LEVEL = 6
+# environment
+PSMODULEPATH = C:\Program Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules
+# default
+MAKE_COMMAND := C:/ProgramData/chocolatey/lib/make/tools/install/bin/make.exe
+# environment
+GOPATH = C:\Users\ACER\go
+# automatic
+@D = $(patsubst %/,%,$(patsubst %\,%,$(dir $@)))
+# environment
+CHROME_CRASHPAD_PIPE_NAME = \\.\pipe\crashpad_40060_TAIJRRRYVCSMHSGI
+# environment
+VS160COMCOMNTOOLS = C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\
+# environment
+FPS_BROWSER_USER_PROFILE_STRING = Default
+# environment
+VSCODE_HANDLES_UNCAUGHT_ERRORS = true
+# default
+.VARIABLES := 
+# automatic
+%D = $(patsubst %/,%,$(patsubst %\,%,$(dir $%)))
+# automatic
+^D = $(patsubst %/,%,$(patsubst %\,%,$(dir $^)))
+# automatic
+%F = $(notdir $%)
+# environment
+VSCODE_CODE_CACHE_PATH = C:\Users\ACER\AppData\Roaming\Code\CachedData\e4503b30fc78200f846c62cf8091b76ff5547662
+# environment
+LANG = C
+# default
+.LOADED := 
+# environment
+TMP = C:\Users\ACER\AppData\Local\Temp
+# default
+.INCLUDE_DIRS = .
+# environment
+PROCESSOR_ARCHITEW6432 = AMD64
+# makefile
+MAKEFLAGS = pqrR
+# environment
+INTEL_DEV_REDIST = C:\Program Files (x86)\Common Files\Intel\Shared Libraries\
+# environment
+ONEDRIVE = C:\Users\ACER\OneDrive
+# environment
+POWERSHELL_DISTRIBUTION_CHANNEL = MSI:Windows 10 Home Single Language
+# makefile
+CURDIR := c:/Users/ACER/Projects/GoLang/learn-goroutines
+# environment
+APPLICATION_INSIGHTS_NO_DIAGNOSTIC_CHANNEL = 1
+# automatic
+*D = $(patsubst %/,%,$(patsubst %\,%,$(dir $*)))
+# environment
+PROGRAMFILES = C:\Program Files (x86)
+# environment
+MFLAGS = -pqrR
+# default
+.SHELLFLAGS := -c
+# environment
+COMMONPROGRAMW6432 = C:\Program Files\Common Files
+# automatic
++D = $(patsubst %/,%,$(patsubst %\,%,$(dir $+)))
+# makefile
+MAKEFILE_LIST := 
+# automatic
+@F = $(notdir $@)
+# environment
+VSCODE_PID = 40060
+# environment
+CUDA_PATH = C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.3
+# automatic
+?D = $(patsubst %/,%,$(patsubst %\,%,$(dir $?)))
+# automatic
+*F = $(notdir $*)
+# automatic
+<D = $(patsubst %/,%,$(patsubst %\,%,$(dir $<)))
+# environment
+VSCODE_NLS_CONFIG = {"locale":"en-us","availableLanguages":{},"_languagePackSupport":true}
+# environment
+ONEDRIVECONSUMER = C:\Users\ACER\OneDrive
+# default
+MAKE_HOST := Windows32
+# environment
+ANDROID_HOME = C:\Users\ACER\AppData\Local\Android\Sdk
+# environment
+PROGRAMDATA = C:\ProgramData
+# default
+SHELL := sh.exe
+# environment
+NVCUDASAMPLES11_3_ROOT = C:\ProgramData\NVIDIA Corporation\CUDA Samples\v11.3
+# environment
+HOMEPATH = \Users\ACER
+# default
+MAKECMDGOALS := all
+# environment
+DRIVERDATA = C:\Windows\System32\Drivers\DriverData
+# environment
+COMSPEC = C:\WINDOWS\system32\cmd.exe
+# environment
+WINDIR = C:\WINDOWS
+# environment
+MAKELEVEL := 0
+# default
+MAKE = $(MAKE_COMMAND)
+# environment
+PATH = C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.3\bin;C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.3\libnvvp;C:\Users\ACER\AppData\Local\Programs\Python\Python37\Scripts;C:\Users\ACER\anaconda3\Scripts;C:\Users\ACER\AppData\Local\Programs\Python\Python37;C:\Program Files (x86)\Common Files\Intel\Shared Libraries\redist\intel64\compiler;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\iCLS\;C:\Program Files\Intel\Intel(R) Management Engine Components\iCLS\;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;C:\Program Files\NVIDIA Corporation\NVIDIA NvDLISR;C:\Program Files\MATLAB\R2021a\runtime\win64;C:\Program Files\MATLAB\R2021a\bin;C:\Program Files\dotnet\;C:\Program Files (x86)\STMicroelectronics\STM32 ST-LINK Utility\ST-LINK Utility;C:\Program Files (x86)\IVI Foundation\VISA\WinNT\Bin\;C:\Program Files\IVI Foundation\VISA\Win64\Bin\;C:\Program Files (x86)\IVI Foundation\VISA\WinNT\Bin;C:\ProgramData\chocolatey\bin;C:\Program Files\Git\cmd;C:\Program Files (x86)\Yarn\bin\;C:\Program Files\OpenJDK\openjdk-8u302-b08\bin;C:\Program Files\PowerShell\7\;C:\Program Files\OpenSSL\bin;C:\Program Files\nodejs\;C:\Program Files\CMake\bin;C:\Program Files\NVIDIA Corporation\Nsight Compute 2021.1.0\;C:\Program Files\MySQL\MySQL Server 8.0\bin;C:\Program Files\PostgreSQL\14\bin;;C:\Program Files\Go\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;C:\Program Files\Docker\Docker\resources\bin;C:\ProgramData\DockerDesktop\version-bin;C:\Program Files\MySQL\MySQL Shell 8.0\bin\;C:\Users\ACER\.cargo\bin;C:\Program Files\OpenSSL\bin;C:\Users\ACER\AppData\Local\Programs\Microsoft VS Code\bin;C:\Users\ACER\AppData\Roaming\npm;C:\ProgramData\chocolatey\lib\mingw\tools\install\mingw64\bin;D:\temp\zlib123dllx64\dll_x64\zlibwapi.dll;C:\Users\ACER\go\bin;C:\Users\ACER\AppData\Local\Microsoft\WindowsApps;
+# environment
+COMPUTERNAME = LAPTOP-FRPI96FQ
+# default
+MAKEFILES := 
+# environment
+KMP_DUPLICATE_LIB_OK = TRUE
+# automatic
+^F = $(notdir $^)
+# environment
+PROMPT = $P$G
+# environment
+OPENSSL_CONF = D:\certs\openssl.cnf
+# environment
+CHOCOLATEYLASTPATHUPDATE = 132940240463514877
+# environment
+NVTOOLSEXT_PATH = C:\Program Files\NVIDIA Corporation\NvToolsExt\
+# environment
+VXIPNPPATH64 = C:\Program Files\IVI Foundation\VISA\
+# environment
+CUDA_PATH_V11_3 = C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.3
+# environment
+LOGONSERVER = \\LAPTOP-FRPI96FQ
+# environment
+QSYS_ROOTDIR = C:\intelFPGA_lite\20.1\quartus\sopc_builder\bin
+# environment
+USERNAME = ACER
+# environment
+COMMONPROGRAMFILES = C:\Program Files (x86)\Common Files
+# automatic
+?F = $(notdir $?)
+# environment
+PROGRAMW6432 = C:\Program Files
+# environment
+PATHEXT = .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.PY;.PYW
+# automatic
++F = $(notdir $+)
+# environment
+ORIGINAL_XDG_CURRENT_DESKTOP = undefined
+# environment
+USERDOMAIN = LAPTOP-FRPI96FQ
+# 'override' directive
+GNUMAKEFLAGS := 
+# environment
+OS = Windows_NT
+# makefile
+.DEFAULT_GOAL := 
+# default
+MAKE_VERSION := 4.3
+# environment
+PROGRAMFILES(X86) = C:\Program Files (x86)
+# environment
+NVCUDASAMPLES_ROOT = C:\ProgramData\NVIDIA Corporation\CUDA Samples\v11.3
+# environment
+USERDOMAIN_ROAMINGPROFILE = LAPTOP-FRPI96FQ
+# environment
+NUMBER_OF_PROCESSORS = 8
+# environment
+PUBLIC = C:\Users\Public
+# environment
+QUARTUS_ROOTDIR = C:\intelFPGA_lite\20.1\quartus
+# environment
+SOPC_KIT_NIOS2 = C:\intelFPGA_lite\20.1\nios2eds
+# environment
+APPDATA = C:\Users\ACER\AppData\Roaming
+# environment
+HOMEDRIVE = C:
+# environment
+PROCESSOR_ARCHITECTURE = x86
+# environment
+GOMODCACHE = C:\Users\ACER\go\pkg\mod
+# environment
+VSCODE_AMD_ENTRYPOINT = vs/workbench/api/node/extensionHostProcess
+# environment
+VXIPNPPATH = C:\Program Files (x86)\IVI Foundation\VISA\
+# environment
+COMMONPROGRAMFILES(X86) = C:\Program Files (x86)\Common Files
+# environment
+ELECTRON_RUN_AS_NODE = 1
+# environment
+TEMP = C:\Users\ACER\AppData\Local\Temp
+# environment
+VSCODE_IPC_HOOK = \\.\pipe\fe5a1cb9a6b992bdc9dead82c0136c23-1.70.2-main-sock
+# environment
+GOPROXY = https://proxy.golang.org,direct
+# default
+.RECIPEPREFIX := 
+# automatic
+<F = $(notdir $<)
+# default
+SUFFIXES := 
+# environment
+ALLUSERSPROFILE = C:\ProgramData
+# environment
+SESSIONNAME = Console
+# default
+.FEATURES := target-specific order-only second-expansion else-if shortest-stem undefine oneshell nocomment grouped-target extra-prereqs archives jobserver output-sync load
+# environment
+MIC_LD_LIBRARY_PATH = C:\Program Files (x86)\Common Files\Intel\Shared Libraries\compiler\lib\mic
+# environment
+PROCESSOR_REVISION = 9e0a
+# environment
+PROCESSOR_IDENTIFIER = Intel64 Family 6 Model 158 Stepping 10, GenuineIntel
+# variable set hash-table stats:
+# Load=114/1024=11%, Rehash=0, Collisions=11/138=8%
+
+# Pattern-specific Variable Values
+
+# No pattern-specific variable values.
+
+# Directories
+
+# . (key c:/Users/ACER/Projects/GoLang/learn-goroutines, mtime 1661302960): 14 files, no impossibilities.
+
+# 14 files, no impossibilities in 1 directories.
+
+# Implicit Rules
+
+# No implicit rules.
+
+# Files
+
+# Not a target:
+Makefile:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# Not a target:
+.DEFAULT:
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+
+# Not a target:
+all:
+#  Command line target.
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has not been updated.
+
+# Not a target:
+makefile:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# Not a target:
+makefile.mak:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# Not a target:
+GNUmakefile:
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has been updated.
+#  Failed to be updated.
+
+# files hash-table stats:
+# Load=7/1024=1%, Rehash=0, Collisions=0/16=0%
+# VPATH Search Paths
+
+# No 'vpath' search paths.
+
+# No general ('VPATH' variable) search path.
+
+# strcache buffers: 1 (0) / strings = 21 / storage = 252 B / avg = 12 B
+# current buf: size = 8174 B / used = 252 B / count = 21 / avg = 12 B
+
+# strcache performance: lookups = 24 / hit rate = 12%
+# hash-table stats:
+# Load=21/8192=0%, Rehash=0, Collisions=0/24=0%
+# Finished Make data base on Wed Aug 24 08:02:41 2022
+
+

buffered-channels/go.mod

@@ -0,0 +1,3 @@
+module buffered-channels
+
+go 1.19

buffered-channels/main.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func listenToChan(ch chan int) {
+	for {
+		// print a got data message
+		i := <-ch
+		fmt.Println("Got", i, "from channel")
+
+		// simulate doing a lot of work
+		time.Sleep(1 * time.Second)
+	}
+}
+
+func main() {
+	ch := make(chan int, 10)
+
+	go listenToChan(ch)
+
+	for i := 0; i <= 100; i++ {
+		// the first 10 times through this loop, things go quickly; after that, things slow down.
+		fmt.Println("sending", i, "to channel...")
+		ch <- i
+		fmt.Println("sent", i, "to channel!")
+	}
+
+	fmt.Println("Done!")
+	close(ch)
+}

channels-select/go.mod

@@ -0,0 +1,3 @@
+module channel-select
+
+go 1.19