32 lines
536 B
JavaScript
32 lines
536 B
JavaScript
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return {
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execute: execute,
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tryEach: tryEach,
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map: map
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}
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function tryEach(strategies) {
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return function() {
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for(var i = 0; i < strategies.length; i++) {
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var result = strategies[i]();
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if(result != undefined) {
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return result;
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}
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}
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};
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}
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function execute(strategy, onSuccess, onError) {
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var result = strategy();
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if(result != undefined) {
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return onSuccess(result);
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} else {
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return onError(result);
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}
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}
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function map(f, strategy) {
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return function() {
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return execute(strategy, f, function() {return;});
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};
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}
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