golang

Quick Start ubuntu Install golang: sudo apt-get install golang mkdir -p $HOME/go_work/src/github.com/username/hello export GOPATH=$HOME/work For convenience, add the workspace’s bin subdirectory to your .bashrc: export GOPATH=$HOME/go_work export PATH=$PATH:$GOPATH/bin Save following to $GOPATH/src/github.com/username/hello/hello.go: package main import "fmt" func main() { fmt.Printf("hello, world\n") } compile and run: go install github.com/username/hello $GOPATH/bin/hello Done! My first golang programe package main import "fmt" // fibonacci // fibonacci 函数会返回一个返回 int 的函数。 func fibonacci() func() int { count := 0 a := 1 b := 1 return func() int { count++ if count <= 2 { a = 1 b = 1 return 1 } c := b b = a + b a = c return b } } func main() { f := fibonacci() for i := 0; i < 10; i++ { fmt....