401 lines
6.6 KiB
Text
401 lines
6.6 KiB
Text
# Snippets for Go
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priority -10
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# shorthand variable declaration
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snippet : "v := value"
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${1} := ${0}
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endsnippet
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# anonymous function
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snippet anon "fn := func() { ... }"
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${1:fn} := func() {
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${2:${VISUAL}}
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}
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${0}
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endsnippet
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# append
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snippet ap "append(slice, value)"
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append(${1:slice}, ${0:value})
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endsnippet
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# append assignment
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snippet ap= "a = append(a, value)"
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${1:slice} = append($1, ${0:value})
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endsnippet
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# break
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snippet br "break"
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break
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endsnippet
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# channel
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snippet ch "chan Type"
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chan ${0:int}
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endsnippet
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# case
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snippet case "case ...:"
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case ${1:value}:
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${0:${VISUAL}}
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endsnippet
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# constant
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snippet con "const XXX Type = ..."
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const ${1:NAME} ${2:Type} = ${0:0}
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endsnippet
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# constants
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snippet cons "const ( ... )"
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const (
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${1:NAME} ${2:Type} = ${3:value}
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${0}
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)
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endsnippet
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# constants with iota
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snippet iota "const ( ... = iota )"
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const (
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${1:NAME} ${2:Type} = iota
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${0}
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)
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endsnippet
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# continue
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snippet cn "continue"
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continue
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endsnippet
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# default case
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snippet default "default: ..."
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default:
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${0:${VISUAL}}
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endsnippet
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# defer
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snippet df "defer someFunction()"
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defer ${1:func}(${2})
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${0}
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endsnippet
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snippet def "defer func() { ... }"
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defer func() {
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${0:${VISUAL}}
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}()
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endsnippet
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# defer recover
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snippet defr
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defer func() {
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if err := recover(); err != nil {
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${0:${VISUAL}}
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}
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}()
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endsnippet
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# gpl
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snippet gpl
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright (C) ${1:Author}, `strftime("%Y")`
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*/
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${0}
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endsnippet
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# import
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snippet import "import ( ... )"
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import (
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"${1:package}"
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)
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endsnippet
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# full interface snippet
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snippet interface "interface I { ... }"
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type ${1:Interface} interface {
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${2:/* TODO: add methods */}
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}
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endsnippet
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# if condition
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snippet if "if ... { ... }"
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if ${1:condition} {
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${0:${VISUAL}}
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}
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endsnippet
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# else snippet
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snippet else
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else {
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${0:${VISUAL}}
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}
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endsnippet
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# error snippet
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snippet errn "Error return " !b
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if err != nil {
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return err
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}
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${0}
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endsnippet
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# error snippet
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snippet errt "Error test fatal " !b
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if err != nil {
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t.Fatal(err)
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}
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${0}
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endsnippet
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snippet errn, "Error return with two return values" !b
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if err != nil {
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return ${1:nil}, err
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}
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${0}
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endsnippet
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snippet errh "Error handle and return" !b
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if err != nil {
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${1}
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return
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}
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${0}
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endsnippet
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snippet json "\`json:key\`"
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\`json:"${1:keyName}"\`
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endsnippet
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# fallthrough
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snippet ft "fallthrough"
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fallthrough
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endsnippet
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# for loop
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snippet for "for ... { ... }"
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for ${1} {
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${0:${VISUAL}}
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}
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endsnippet
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# for integer loop
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snippet fori "for 0..N-1 { ... }"
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for ${1:i} := 0; $1 < ${2:N}; $1++ {
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${0:${VISUAL}}
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}
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endsnippet
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# for range loop
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snippet forr "for k, v := range items { ... }"
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for ${2:k}, ${3:v} := range ${1} {
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${0:${VISUAL}}
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}
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endsnippet
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# function
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snippet func "func Function(...) [error] { ... }"
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func ${1:name}(${2:params})${3/(.+)/ /}`!p opening_par(snip, 3)`$3`!p closing_par(snip, 3)` {
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${0:${VISUAL}}
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}
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endsnippet
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# Fmt Printf debug
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snippet ff "fmt.Printf(...)"
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fmt.Printf("${1:${VISUAL}} = %+v\n", $1)
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endsnippet
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# Fmt Println debug
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snippet fn "fmt.Println(...)"
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fmt.Println("${1:${VISUAL}}")
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endsnippet
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# log printf
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snippet lf "log.Printf(...)"
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log.Printf("${1:${VISUAL}} = %+v\n", $1)
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endsnippet
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# log println
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snippet ln "log.Println(...)"
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log.Println("${1:${VISUAL}}")
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endsnippet
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# make
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snippet make "make(Type, size)"
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make(${1:[]string}, ${2:0})${0}
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endsnippet
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# map
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snippet map "map[Type]Type"
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map[${1:string}]${0:int}
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endsnippet
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# main()
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snippet main "func main() { ... }"
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func main() {
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${0:${VISUAL}}
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}
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endsnippet
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# method
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snippet meth "func (self Type) Method(...) [error] { ... }"
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func (${1:receiver} ${2:type}) ${3:name}(${4:params})${5/(.+)/ /}`!p opening_par(snip, 5)`$5`!p closing_par(snip, 5)` {
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${0:${VISUAL}}
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}
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endsnippet
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# ok
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snippet ok "if !ok { ... }"
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if !ok {
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${0:${VISUAL}}
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}
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endsnippet
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# package
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snippet package "package ..."
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// Package $1 provides ${2:...}
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package ${1:main}
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${0}
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endsnippet
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# panic
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snippet pn "panic()"
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panic("${0:msg}")
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endsnippet
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# return
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snippet rt "return"
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return ${0:${VISUAL}}
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endsnippet
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# select
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snippet select "select { case a := <-chan: ... }"
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select {
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case ${1:v1} := <-${2:chan1}
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${0}
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}
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endsnippet
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# struct
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snippet st "type T struct { ... }"
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type ${1:Type} struct {
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${0}
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}
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endsnippet
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# switch
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snippet switch "switch x { ... }"
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switch ${1:var} {
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case ${2:value1}:
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${0}
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}
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endsnippet
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# sprintf
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snippet sp "fmt.Sprintf(...)"
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fmt.Sprintf("%${1:s}", ${2:var})
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endsnippet
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# goroutine named function
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snippet go "go someFunc(...)"
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go ${1:funcName}(${0})
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endsnippet
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# goroutine anonymous function
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snippet gof "go func() { ... }()"
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go func() {
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${1:${VISUAL}}
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}()
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${0}
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endsnippet
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# test function
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snippet test "func TestXYZ(t *testing.T) { ... }"
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func Test${1:Function}(t *testing.T) {
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${0:${VISUAL}}
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}
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endsnippet
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# quick test server
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snippet tsrv "httptest.NewServer"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, ${1:`response`})
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}))
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defer ts.Close()
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${0:someUrl} = ts.URL
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endsnippet
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# test error handling
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snippet ter "if err != nil { t.Errorf(...) }"
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if err != nil {
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t.Errorf("${0:message}")
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}
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endsnippet
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# test fatal error
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snippet terf "if err != nil { t.Fatalf(...) }"
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if err != nil {
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t.Fatalf("${0:message}")
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}
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endsnippet
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# variable declaration
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snippet var "var x Type [= ...]"
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var ${1:x} ${2:Type}${3: = ${0:value}}
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endsnippet
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# variables declaration
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snippet vars "var ( ... )"
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var (
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${1:x} ${2:Type}${3: = ${0:value}}
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)
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endsnippet
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# equals fails the test if exp is not equal to act.
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snippet eq "equals: test two identifiers with DeepEqual"
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if !reflect.DeepEqual(${1:expected}, ${2:actual}) {
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_, file, line, _ := runtime.Caller(0)
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fmt.Printf("%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\n\n", filepath.Base(file), line, $1, $2)
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t.FailNow()
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}
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endsnippet
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global !p
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import re
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# Automatically wrap return types with parentheses
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def return_values(s):
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# remove everything wrapped in parentheses
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s = re.sub("\(.*?\)|\([^)]*$", "", s)
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return len(s.split(","))
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def opening_par(snip, pos):
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if return_values(t[pos]) > 1 and not t[pos].startswith("("):
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snip.rv = "("
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else:
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snip.rv = ""
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def closing_par(snip, pos):
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if return_values(t[pos]) > 1:
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snip.rv = ")"
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else:
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snip.rv = ""
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endglobal
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# vim:ft=snippets:
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