go.snippets

snippet v "shorthand variable declaration"
	${1} := ${2}

snippet vr "variable initialization"
	var ${1:t} ${0:string}

snippet var "variable declaration"
	var ${1} ${2} = ${3}

snippet vars "variables declaration"
	var (
		${1} ${2} = ${3}
	)

snippet ap "append"
	append(${1:slice}, ${0:value})

snippet bl "bool"
	bool

snippet bt "byte"
	byte

snippet br "break"
	break

snippet ch "channel"
	chan ${0:int}

snippet cs "case"
	case ${1:value}:
		${0:${VISUAL}}

snippet co "constants with iota"
	const (
		${1:NAME1} = iota
		${0:NAME2}
	)

snippet cn "continue"
	continue

snippet df "defer"
	defer ${0:func}()

snippet dfr "defer recover"
	defer func() {
		if err := recover(); err != nil {
			${0:${VISUAL}}
		}
	}()

snippet im "import"
	import (
		"${1:package}"
	)

snippet in "interface"
	interface{}

snippet inf "full interface "
	type ${1:name} interface {
		${2:/* methods */}
	}

snippet if "if condition"
	if $1 {
		${2:${VISUAL}}
	}


snippet ife "if else condition"
	if $1 {
		${2:${VISUAL}}
	} else {
		${0}
	}

snippet el "else"
	else {
		${0:${VISUAL}}
	}

snippet ir "if error not nil, return err"
	if err != nil {
		return err
	}
	${0}

snippet f "false"
	false

snippet ft "fallthrough"
	fallthrough

snippet fl "float"
	float32

snippet f3 "float32"
	float32

snippet f6 "float64"
	float64

snippet for "for loop"
	for ${1}{
		${0:${VISUAL}}
	}

snippet fori "for int loop"
	for ${2:i} := 0; $2 < ${1:count}; $2${3:++} {
		${0:${VISUAL}}
	}

snippet forr "for range loop"
	for ${1:e} := range ${2:collection} {
		${0:${VISUAL}}
	}

snippet fun "function"
	func ${1:funcName}(${2}) ${3:error} {
		${4}
	}
	${0}

snippet fum "method"
	func (${1:receiver} ${2:type}) ${3:funcName}(${4}) ${5:error} {
		${6}
	}
	${0}

snippet fumh "http handler function on receiver"
	func (${1:receiver} ${2:type}) ${3:funcName}(${4:w} http.ResponseWriter, ${5:r} *http.Request) {
		${0:${VISUAL}}
	}

snippet lf "log printf"
	log.Printf("%${1:s}", ${2:var})

snippet lp "log println"
	log.Println("${1}")

snippet mk "make"
	make(${1:[]string}, ${0:0})

snippet mp "map"
	map[${1:string}]${0:int}

snippet main "func main()"
	func main() {
		${1}
	}
	${0}

snippet nw "new"
	new(${0:type})

snippet pa "package"
	package ${1:main}

snippet pn "panic"
	panic("${0:msg}")

snippet pf "fmt.Printf()"
	fmt.Printf("%${1:s}\n", ${2:var})

snippet pl "fmt.Println()"
	fmt.Println("${1:s}")

snippet rn "range"
	range ${0}

snippet rt "return"
	return ${0}

snippet rs "result"
	result

snippet sl "select"
	select {
	case ${1:v1} := <-${2:chan1}
		${3}
	default:
		${0}
	}

snippet sr "string"
	string

snippet st "struct"
	type ${1:name} struct {
		${2:/* data */}
	}
	${0}

snippet sw "switch"
	switch ${1:var} {
	case ${2:value1}:
		${3}
	case ${4:value2}:
		${5}
	default:
		${0}
	}

snippet ps "fmt.Sprintf"
	fmt.Sprintf("%${1:s}", ${2:var})

snippet t "true"
	true

snippet g "goroutine named function"
	go ${1:funcName}(${0})

snippet ga "goroutine anonymous function"
	go func(${1} ${2:type}) {
		${3:/* code */}
	}(${0})

snippet test "test function"
	func Test${1:name}(t *testing.T) {
		${0:${VISUAL}}
	}

snippet testt "table test function"
	func Test${1:name}(t *testing.T) {
		tests := []struct {
			name string
		}{
			{
				name: "${2:test name}",
			},
		}

		for _, test := range tests {
			t.Run(test.name, func(t *testing.T) {
				${0:${VISUAL}}
			})
		}
	}

snippet bench "benchmark function"
	func Benchmark${1:name}(b *testing.B) {
		for i := 0; i < b.N; i++ {
			${2}
		}
	}
	${0}

snippet cl "composite literals"
	type ${1:name} struct {
		${2:attrName} ${3:attrType}
	}

snippet om "if key in a map"
	if ${1:value}, ok := ${2:map}[${3:key}]; ok == true {
		${4:/* code */}
	}


snippet gg "Grouped globals with anonymous struct"
	var ${1:var} = struct{
		${2:name} ${3:type}
	}{
		$2: ${4:value},
	}


snippet ja "Marshalable json alias"
	type ${1:parentType}Alias $1

	func (p *$1) MarshalJSON() ([]byte, error) {
		return json.Marshal(&struct{ *$1Alias }{(*$1Alias)(p)})
	}


snippet errwr "Error handling with fmt.Errorf"
	if ${1}err != nil {
		return fmt.Errorf("${2} %w", err)
	}