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yelouafi/streqm-flatten.js

Created July 17, 2015 02:43
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streqm-flatten.js
// flatten : ( Stream (Stream a), (Stream a, Stream a) -> Stream a) -> Stream a
Stream.prototype.flatten = function(f) {
return this.isEmpty || this.isAbort ? this
: this.isCons ? f( this.head, this.tail.flatten(f) )
: Stream.Future(this.promise.then(s => s.flatten(f), Stream.Abort));
};
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