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Ox.noop: call the last (not the first) argument in case it is a function - this way it can be used as an async iterator

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rolux 2012-05-27 18:43:12 +02:00
parent a811f29837
commit ba4086bc55
1 changed files with 7 additions and 5 deletions
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12
source/Ox/js/Function.js
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@ -58,14 +58,16 @@ Ox.cache = function(fn, options) {
Ox.identity <f> Returns its first argument Ox.identity <f> Returns its first argument
This can be used as a default iterator This can be used as a default iterator
@*/ @*/
Ox.identity = function(val) { Ox.identity = function(value) {
return val; return value;
}; };
/*@ /*@
Ox.noop <f> Returns undefined and calls optional callback without arguments Ox.noop <f> Returns undefined and calls optional callback without arguments
This can be used to combine a synchronous and an asynchronous code path. This can be used as a default iterator in an asynchronous loop, or to
combine a synchronous and an asynchronous code path.
@*/ @*/
Ox.noop = function(callback) { Ox.noop = function() {
var callback = Ox.last(arguments);
Ox.isFunction(callback) && callback(); Ox.isFunction(callback) && callback();
}; };