Go Basics: Difference between revisions
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go install | go install | ||
go run | go run | ||
</pre> | |||
== Hello World == | |||
<pre> | |||
// hello.go | |||
package main | |||
import ( | |||
"fmt" | |||
"os" | |||
"strings" | |||
) | |||
func main() { | |||
who := "World!" | |||
if len(os.Args) > 1 { /* os.Args[0] is "hello" or "hello.exe" */ | |||
who = strings.Join(os.Args[1:], " ") | |||
} | |||
fmt.Println("Hello", who) | |||
} | |||
</pre> | </pre> | ||
Revision as of 00:53, 6 February 2014
Resources: http://golang.org/
Install and Setup
sudo apt-get install golang
http://golang.org/doc/code.html discusses setting up the GOLANG environment variable and your code repository
mkdir -p $HOME/projects/go/src export GOPATH=$HOME/projects/go (add this to .profile too)
Commands
godoc go build go install go run
Hello World
// hello.go
package main
import (
"fmt"
"os"
"strings"
)
func main() {
who := "World!"
if len(os.Args) > 1 { /* os.Args[0] is "hello" or "hello.exe" */
who = strings.Join(os.Args[1:], " ")
}
fmt.Println("Hello", who)
}