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overload.js
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overload.js
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/*!
* simpleOverload v1.0
* https://github.com/myfingersarebroken/simpleOverload
*
* Released under the MIT license
*
* Date: 2013-11-07
*/
/**
* As JS don't supports data types, implements an overload method.
*
* @function _$overload
* @author Fernando Faria - It's a snipet from https://github.com/myfingersarebroken/aer
*/
function _$overload(pointer, args, context) {
var regex = /function\s+(\w+)s*/, types = [];
for (var i = 0; i < args.length; i++) {
types.push(regex.exec(args[i].constructor.toString())[1]);
}
return pointer[types.toString()].apply(context, args);
}
/**
* The overload method.
* to use, follow the example
*
* @example
* var MyOverloadedFunc = _$over({
* '' : function() {
* // ...
* }
* , 'String' : function(str) {
* // ...
* }
* , 'String,Number,String,RegExp' : function(str1, n, str2, regex) {
* // ...
* }
* });
*
* @overloaded
* @function _$over
* @author Fernando Faria - It's a snipet from https://github.com/myfingersarebroken/aer
*/
function _$over() {
return _$overload(_$over, arguments, this);
}
/**
* @overloaded _$over
* @param o {Object} An object with properties as strings that rerperesents the expected datatype
* and its value as functions with its arity equivalent to the number of types specified
* in the property name. See an example in the @function _$over
* @return {Function} A call to the signed function!!!
* @author Fernando Faria - It's a snipet from https://github.com/myfingersarebroken/aer
*/
_$over['Object'] = function(o) {
return function() {
return _$overload(o, arguments, this);
}
}