clear
function clear( tab ) --> slimtab
Description
Removes all elements from the table tab.
Parameters
- tab
-
The table you want to clear.
Return Values
- slimtab
-
The same table where all elements are removed.
Code
--ZFUNC-clear-v1 local function clear( tab ) --> slimtab for k in pairs( tab ) do tab[ k ] = nil end return tab end return clear
Examples
local t = require( "tapered" ) local clear = require( "clear" ) -- util functions local isempty = require( "isempty" ) -- array table tab = { "a", "b", "c", "d", "e", "f" } slimtab = clear( tab ) t.ok( isempty( tab ) ) t.ok( isempty( slimtab ) ) t.is( tab, slimtab ) -- dict table tab = { [ "first" ] = 1, [ "second" ] = 2, [ "third" ] = 3 } slimtab = clear( tab ) t.ok( isempty( tab ) ) t.ok( isempty( slimtab ) ) t.is( tab, slimtab ) t.done()