go_fedora_packages [Doku Wiki]

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===== Overview =====

golang on Fedora 30 ... and beyond.

===== Base packages =====

  * golang
    * golang-src
    * golang-bin
    * go-srpm-macros
  * dep

===== go env =====

<code>
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/rpjday/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/rpjday/go"               [personal workspace]
GOPROXY=""
GORACE=""
GOROOT="/usr/lib/golang"               [Go installation workspace]
GOTMPDIR=""
GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build215138165=/tmp/go-build -gno-record-gcc-switches"
</code>

===== Stuff =====

  * env vars
    * GOPATH (workspace)
    * GOROOT (install dir)
  * "factored" import statement
  * uppercase symbols are automatically exported (math.Pi)
  * functions
    * return type *trails* function prototype
    * no need to duplicate consecutive arg types (x, y int)
    * multiple return values "(string, int)"
    * named return values "func split(sum int) (x, y int) {"
  * variables
    * "var c, python, java bool"
    * initializers "var i, j int = 10, 20"
    * short implicit in-function form "k := 3"
  * type conversions are necessary
  * loops
    * for [init] ; cond ; [iter] {
    * for cond {             ["while"]
    *