OpenComputerScripts/libs/checkarg.lua
2018-11-24 21:33:02 +08:00

38 lines
593 B
Lua

local function do_check(x, expected_type)
if (type(x) ~= expected_type) then
error(expected_type .. " expected, got " .. type(x))
end
end
function checknumber(n)
do_check(n, "number")
end
function checkstring(n)
do_check(n, "string")
end
function checknil(n)
do_check(n, "nil")
end
function checkbool(n)
do_check(n, "boolean")
end
function checkuserdata(n)
do_check(n, "userdata")
end
function checkfunc(n)
do_check(n, "function")
end
function checkfunction(n)
do_check(n, "function")
end
function checktable(n)
do_check(n, "table")
end