Some go snippets for luasnip

go_luasnip.lua

local ls = require "luasnip"

local s = ls.snippet
local i = ls.insert_node
local t = ls.text_node
local f = ls.function_node

local function copyname(args)
    return args[1]
end


local snips = {
    go = {
        s(
            "ef",
            {
                i(1, {"val"}),
                t ", err := ",
                i(2, {"f"}),
                t "(",
                i(3),
                t ")",
                i(0)
            }
        ),
        s(
            "pf",
            {
                -- Simple static text.
                t("// "),
                -- function, first parameter is the function, second the Placeholders
                -- whose text it gets as input.
                f(copyname, 1),
                i(4, {" ... "}), -- paste function name
                t({"", "func "}),
                -- Placeholder/Insert.
                i(1),
                t("("),
                -- Placeholder with initial text.
                i(2, ""),
                t(")"),
                i(3, {" error "}),
                -- Linebreak
                t({"{", "\t"}),
                -- Last Placeholder, exit Point of the snippet. EVERY 'outer' SNIPPET NEEDS Placeholder 0.
                i(0),
                t({"", "}"})
            }
        )
    }
}

return snips