My VSCode snippets for Golang (see https://github.com/golang/vscode-go/blob/master/snippets/go.json)

go_snnipts.json

{
	// Place your snippets for go here. Each snippet is defined under a snippet name and has a prefix, body and 
	// description. The prefix is what is used to trigger the snippet and the body will be expanded and inserted. Possible variables are:
	// $1, $2 for tab stops, $0 for the final cursor position, and ${1:label}, ${2:another} for placeholders. Placeholders with the 
	// same ids are connected.
	// Example:
	// "Print to console": {
	// 	"prefix": "log",
	// 	"body": [
	// 		"console.log('$1');",
	// 		"$2"
	// 	],
	// 	"description": "Log output to console"
	// }
	"printf block": {
		"prefix": "pr",
		"body": [
			"fmt.Printf(\"$1: %#v\\n\", $2)",
		],
		"description": "Snippet for printf"
	},
	"func declaration": {
		"prefix": "fu",
		"body": [
			"func $1($2) $3 {",
			"\t$4",
			"}",
		],
		"description": "Snippet for function"
	},
	"return block": {
		"prefix": "re",
		"body": [
			"return $1",
		],
		"description": "Snippet for return"
	},
	"if block": {
		"prefix": "if",
		"body": [
			"if $1 {",
			"\t$2",
			"}",
		],
		"description": "Snippet for if err != nil"
	},
	"return if error block": {
		"prefix": "er",
		"body": [
			"if err != nil {",
			"\treturn ${1:nil, }${2:err}",
			"}",
		],
		"description": "Snippet for if err != nil"
	},
	"single constant": {
		"prefix": "co",
		"body": "const ${1:name} = ${2:value}",
		"description": "Snippet for a constant"
	},
	"main func declaration": {
		"prefix": "ma",
		"body": [
			"func main() {",
			"\t$1",
			"}"
		],
		"description": "Snippet for main function"
	},
	"method declaration": {
		"prefix": "me",
		"body": [
			"func (${1:receiver} *${2:type}) ${3:method}($4) $5 {",
			"\t$0",
			"}"
		],
		"description": "Snippet for method declaration"
	},
	"type struct declaration": {
		"prefix": "ts",
		"body": [
			"type ${1:name} struct {",
			"\t${2:prop} ${3:type}",
			"}",
		],
		"description": "Snippet for struct declaration"
	},
	"type function declaration": {
		"prefix": "tf",
		"body": "type ${1:name} func($2) $3",
		"description": "Snippet for type function declaration"
	},
	"type interface declaration": {
		"prefix": "ti",
		"body": [
			"type ${1:name} interface {",
			"\t$0",
			"}"
		],
		"description": "Snippet for type interface"
	},
	"single variable": {
		"prefix": "var",
		"body": "var ${1:name} ${2:type}",
		"description": "Snippet for a variable declaration"
	},
	"variable assignment": {
		"prefix": "as",
		"body": "${1:name} := ${2:value}",
		"description": "Snippet for a variable assignment"
	},
	"switch statement": {
		"prefix": "switch",
		"body": "switch ${1:expression} {\ncase ${2:condition}:\n\t$0\n}",
		"description": "Snippet for switch statement"
	},
	"for statement": {
		"prefix": "for",
		"body": "for ${1:i} := ${2:0}; $1 < ${3:count}; $1${4:++} {\n\t$0\n}",
		"description": "Snippet for a for loop"
	},
	"for range statement": {
		"prefix": "forr",
		"body": "for ${1:_, }${2:v} := range ${3:v} {\n\t$0\n}",
		"description": "Snippet for a for range loop"
	},
}