spacevim/bundle/vim-go/gosnippets/snippets/go.snip

# shorthand variable declaration
snippet :
abbr v := value
	${1} := ${0}
# anonymous function
snippet anon
abbr fn := func() { ... }
	${1:fn} := func() {
		${0}
	}
# append
snippet ap
abbr append(slice, value)
	append(${1:slice}, ${0:value})
# append assign
snippet ap=
abbr slice = append(slice, value)
  ${1:slice} = append($1, ${0:value})
# break
snippet br
abbr break
	break
# channel
snippet ch
abbr chan Type
	chan ${0:int}
# case
snippet case
abbr case ...:
	case ${1:value}:
		${0}
# constant
snippet con
abbr const XXX Type = ...
	const ${1:NAME} ${2:Type} = ${0:0}
# constants
snippet cons
abbr const ( ... )
	const (
		${1:NAME} ${2:Type} = ${3:value}
		${0}
	)
# constants with iota
snippet iota
abbr const ( ... = iota )
	const (
		${1:NAME} ${2:Type} = iota
		${0}
	)
# continue
snippet cn
abbr continue
	continue
# default case
snippet default
abbr default: ...
	default:
		${0}

# defer
snippet df
abbr defer someFunction()
	defer ${1:func}(${2})
	${0}
snippet def
abbr defer func() { ... }
	defer func() {
		${0}
	}()
# defer recover
snippet defr
	defer func() {
		if err := recover(); err != nil {
			${0}
		}
	}()
# gpl
snippet gpl
	/*
	 * This program is free software; you can redistribute it and/or modify
	 * it under the terms of the GNU General Public License as published by
	 * the Free Software Foundation; either version 2 of the License, or
	 * (at your option) any later version.
	 *
	 * This program is distributed in the hope that it will be useful,
	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	 * GNU General Public License for more details.
	 *
	 * You should have received a copy of the GNU General Public License
	 * along with this program; if not, see <http://www.gnu.org/licenses/>.
	 *
	 * Copyright (C) ${1:Author}, `strftime("%Y")`
	 */

	${0}
# import
snippet import
abbr import ( ... )
	import (
		"${1:package}"
	)
# full interface snippet
snippet interface
abbr interface I { ... }
	type ${1:Interface} interface {
		${2:/* TODO: add methods */}
	}
# if condition
snippet if
abbr if ... { ... }
	if ${1:condition} {
		${0}
	}
# else snippet
abbr else { ... }
snippet else
	else {
		${0}
	}

# if inline error
snippet ife
abbr if err := ...; err != nil { ... }
	if err := ${1:condition}; err != nil {
		${0}
	}

# error snippet
snippet errn
abbr if err != nil { return err }
	if err != nil {
		return err
	}
	${0}
# error snippet in TestFunc
snippet errt
abbr if err != nil { t.Fatal(err) }
	if err != nil {
		t.Fatal(err)
	}

# error snippet in log.Fatal
snippet errl
abbr if err != nil { log.Fatal(err) }
	if err != nil {
		log.Fatal(err)
	}

# error snippet with two return values
snippet errn,
abbr if err != nil { return [...], err }
	if err != nil {
		return ${1:nil}, err
	}
	${0}

# error snippet handle and return
snippet errh
abbr if err != nil { ... return }
	if err != nil {
		${1}
		return
	}
	${0}

# error snippet with panic
snippet errp
abbr if err != nil { panic(...) }
	if err != nil {
		panic(${1})
	}
	${0}

# json snippet
snippet json
abbr \`json:key\`
	\`json:"${1:keyName}"\`

# yaml snippet
snippet yaml
abbr \`yaml:key\`
	\`yaml:"${1:keyName}"\`

# fallthrough
snippet ft
abbr fallthrough
	fallthrough
# for loop
snippet for
abbr for ... { ... }
	for ${1} {
		${0}
	}
# for integer loop
snippet fori
abbr for 0..N-1 { ... }
	for ${1:i} := 0; $1 < ${2:N}; $1++ {
		${0}
	}
# for range loop
snippet forr
abbr for k, v := range items { ... }
	for ${2:k}, ${3:v} := range ${1} {
		${0}
	}
# function
snippet func
abbr func function(...) [error] { ... }
	func ${1:function}(${2}) ${3:error }{
		${0}
	}
# Fmt Printf debug
snippet ff
abbr fmt.Printf(...)
	fmt.Printf("${1} = %+v\n", $1)
	${0}
# Fmt Println debug
snippet fn
abbr fmt.Println(...)
	fmt.Println("${1}")
# Fmt Errorf
snippet fe
abbr fmt.Errorf(...)
	fmt.Errorf("${1}")
# log printf
snippet lf
abbr log.Printf(...)
	log.Printf("${1} = %+v\n", $1)
# log println
snippet ln
abbr log.Println(...)
	log.Println("${1}")
# make
snippet make
abbr make(Type, size)
	make(${1:[]string}, ${2:0})${0}
# map
snippet map
abbr map[Type]Type
	map[${1:string}]${0:int}
# main()
snippet main
abbr func main() { ... }
options head
	func main() {
		${0}
	}
# method
snippet meth
abbr func (self Type) Method(...) [error] { ... }
regexp /^meth/
	func (${1:self} ${2:Type}) ${3:Do}(${4}) ${5:error }{
		${0}
	}
# ok
snippet ok
abbr if !ok { ... }
	if !ok {
		${0}
	}
# package
snippet package
abbr package ...
	// Package $1 provides ${2:...}
	package ${1:main}
	${0}
# panic
snippet panic
alias pn
abbr panic("...")
	panic("${0}")
# return
snippet return
alias rt
abbr return ...
	return ${0}
# select
snippet select
abbr select { case a := <-chan: ... }
	select {
	case ${1:v1} := <-${2:chan1}
		${0}
	}
# struct
snippet st
abbr type T struct { ... }
	type ${1:Type} struct {
		${0}
	}
# switch
snippet switch
abbr switch x { ... }
	switch ${1:var} {
	case ${2:value1}:
		${0}
	}
# sprintf
snippet sp
abbr fmt.Sprintf(...)
	fmt.Sprintf("%${1:s}", ${2:var})
# goroutine named function
snippet go
abbr go someFunc(...)
	go ${1:funcName}(${0})
# goroutine anonymous function
snippet gof
abbr go func(...) { ... }(...)
	go func(${1}) {
		${3:/* TODO */}
	}(${2})
# test function
snippet test
abbr func TestXYZ(t *testing.T) { ... }
	func Test${1:Function}(t *testing.T) {
		${0}
	}
# test t.Run
snippet tr
abbr t.Run("test name", func(t *testing.T){ ... })
  t.Run("${0}", func(t *testing.T){

  })
# test table snippet
snippet tt
abbr var test = {...}{...} for {t.Run(){...}}
    var tests = []struct {
        name string
        expected string
        given string
    }{
        {"${2}", "${3}", "${4}",},
    }
    for _, tt := range tests {
        tt := tt
        t.Run(tt.name, func(t *testing.T){
            actual := ${1:Function}(tt.given)
            if actual != tt.expected {
                t.Errorf("given(%s): expected %s, actual %s", tt.given, tt.expected, actual)
            }
        })
    }
# test server
snippet tsrv
abbr ts := httptest.NewServer(...)
  ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintln(w, ${1:`response`})
  }))
  defer ts.Close()

  //Use testing server url (type string) somewhere
  ${0:someUrl} = ts.URL
# test error
snippet ter
abbr if err != nil { t.Errorf(...) }
  if err != nil {
    t.Errorf("${1}")
  }
# test fatal error
snippet terf
abbr if err != nil { t.Fatalf(...) }
  if err != nil {
    t.Fatalf("${1}")
  }
# test example
snippet example
	func Example${1:Method}() {
		${0}
		// Output:
	}
# test benchmark
snippet benchmark
	func Benchmark${1:Method}(b *testing.B) {
		for i := 0; i < b.N; i++ {
			${0}
		}
	}
# variable declaration
snippet var
abbr var x Type [= ...]
	var ${1:x} ${2:Type}${3: = ${0:value\}}
# variables declaration
snippet vars
abbr var ( ... )
	var (
		${1:x} ${2:Type}${3: = ${0:value\}}
	)
# equals fails the test if exp is not equal to act.
snippet eq
abbr equals: test two identifiers with DeepEqual
  if !reflect.DeepEqual(${1:expected}, ${2:actual}) {
  	_, file, line, _ := runtime.Caller(0)
  	fmt.Printf("%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\n\n", filepath.Base(file), line, $1, $2)
  	t.FailNow()
  }

snippet hf
abbr http.HandlerFunc
  func ${1:handler}(w http.ResponseWriter, r *http.Request) {
    ${0:fmt.Fprintf(w, "hello world")}
  }

snippet hhf
abbr mux.HandleFunc(...)
  ${1:http}.HandleFunc("${2:/}", func(w http.ResponseWriter, r *http.Request) {
    ${0:fmt.Fprintf(w, "hello world")}
  })