lookup

lookup
	Map Builtins

Name

lookup — Select a map element (deprecated, use MAP[KEY]:DEFAULT)

Synopsis

`any lookup (`	map `MAP` ,
	any `KEY` ,
	any `DEFAULT` `)`;

Parameters

map MAP
any KEY
any DEFAULT

Return

any

Description

 Gets the KEY's value of a map. Returns DEFAULT if the key does not exist. Returns nil if the found entry has a different type than the default value.
Functionality replaced with syntax: map m = $["a":1, "b":2];
m["a"]:100 -> 1; m["c"]:100 -> 100;

Usage

  lookup ($["a":42], "b", 0) -> 0


haskey		maplist