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tests/cases/compiler/extendArray.ts(7,19): error TS2304: Cannot find name '_element'.
tests/cases/compiler/extendArray.ts(7,32): error TS2304: Cannot find name '_element'.
==== tests/cases/compiler/extendArray.ts (2 errors) ====
var a = [1,2];
a.forEach(function (v,i,a) {});
declare module _Core {
interface Array {
collect(fn:(e:_element) => _element[]) : any[];
~~~~~~~~
!!! error TS2304: Cannot find name '_element'.
~~~~~~~~
!!! error TS2304: Cannot find name '_element'.
}
}
var arr = (<any>Array).prototype;
arr.collect = function (fn) {
var res = [];
for (var i = 0; i < this.length; ++i) {
var tmp = fn(this[i]);
for (var j = 0; j < tmp.length; ++j) {
res.push(tmp[j]);
}
}
return res;
};
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