auto-save.nvim/lua/auto-save/utils/data.lua

local M = {}

function M.set_of(list)
	local set = {}
	for i = 1, #list do
		set[list[i]] = true
	end
	return set
end

function M.not_in(var, arr)
	if M.set_of(arr)[var] == nil then
		return true
	end
end

function M.do_callback(callback_name)
	local cnf = require("auto-save.config").opts

	if type(cnf.callbacks[callback_name]) == "function" then
		cnf.callbacks[callback_name]()
	end
end

return M