Use cases for WeakMap
Erik Corry
erik.corry at gmail.com
Sun May 15 23:53:02 PDT 2011
2011/5/16 Brendan Eich <brendan at mozilla.com>:
> This is a good point too. Not sure we've considered a value -> value map carefully yet.
A value->anything map is pretty easy to do with a normal JS object.
function get(value) {
if (typeof(value) == 'number') return this["NUM" + value];
if (typeof(value) == 'string') return this["STR" + value];
...
}
Weakness makes no sense in this case since a value can never really be lost.
>
> /be
>
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