http://blog.dengqinghua.net

plugin 'fatih/vim-go'
:GoInstallBinaries
:help vim-go

package golang

import (
    . "github.com/smartystreets/goconvey/convey"
    "testing"
)

// go test -v -run TestBasicMap
func TestBasicMap(t *testing.T) {
    Convey("TestBasicMap", t, func() {
        Convey("get, put", func() {
            Convey("should get right", func() {
                oneMap := make(map[string]int)

                oneMap["dsgv"] = 587

                value, exist := oneMap["dsgv"]

                So(exist, ShouldBeTrue)
                So(value, ShouldEqual, 587)

                value, exist = oneMap["dsg"]

                So(exist, ShouldBeFalse)
                So(value, ShouldEqual, 0)
            })
        })
    })
}

package main

// go run hello_world.go
// go build hello_world.go
// :GoRun / :GoBuild
func main() {
    println(Sum(5, 5))
}

func Sum(x int, y int) int {
    return x + y
}

package main

import "testing"

// go test -run TestSum
func TestSum(t *testing.T) {
    total := Sum(5, 5)

    if total != 5 {
        // t.Errorf; t.Fail; t.Log
        t.Errorf("Sumw was incorrect, got %d, want %d", total, 10)
    }
}

// go test -run TestSum1
func TestSum1(t *testing.T) {
    total := Sum(5, 5)

    if total != 6 {
        // t.Errorf; t.Fail; t.Log
        t.Errorf("Sumw was incorrect, got %d, want %d", total, 10)
    }
}

go test

go test -run TestSum

package main
import "fmt"

var a = 1

func main() {
  fmt.Println("Hello World")
}

Types:
    bool byte complex64 complex128 error float32 float64
    int int8 int16 int32 int64 rune string
    uint uint8 uint16 uint32 uint64 uintptr

Constants:
    true false iota

Zero value:
    nil

Functions:
    append cap close complex copy delete imag len
    make new panic print println real recover

bool := 1
fmt.Println(bool)

break        default      func         interface    select
case         defer        go           map          struct
chan         else         goto         package      switch
const        fallthrough  if           range        type
continue     for          import       return       var

type sliceHeader struct {
    Length        int
    Capacity      int
    ZerothElement *byte
}

go help