28 lines
512 B
JavaScript
28 lines
512 B
JavaScript
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module.exports = function(){
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'use strict';
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var fns = {}
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return function(len){
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if ( ! fns [len ] ) {
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var args = []
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var i = 0
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for (; i < len; i++ ) {
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args.push( 'a[' + i + ']')
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}
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fns[len] = new Function(
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'c',
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'a',
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'return new c(' + args.join(',') + ')'
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)
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}
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return fns[len]
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}
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}()
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