Differences

This shows you the differences between two versions of the page.

--- go_fedora_packages [2019/08/17 07:29] – [Base packages] rpjday
+++ go_fedora_packages [2019/08/17 09:59] (current) – [Stuff] rpjday
@@ Line 22: / Line 22: @@
 GOHOSTOS="linux"
 GOOS="linux"
-GOPATH="/home/rpjday/go"
+GOPATH="/home/rpjday/go"               [personal workspace]
 GOPROXY=""
 GORACE=""
-GOROOT="/usr/lib/golang"
+GOROOT="/usr/lib/golang"               [Go installation workspace]
 GOTMPDIR=""
 GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"
@@ Line 41: / Line 41: @@
 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"]
+    *