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rightfold/gist:370f1b72df132c4ea0bd Secret

Created May 11, 2014 12:54
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gistfile1.ts
function flatMap<T, U, V>(inputStream: Stream<T>, fn: (T) => Stream<U>) {
var outputStream = new Stream<U>();
inputStream.addEventListener((event) => {
fn(event).addEventListener((event) => {
outputStream.emitEvent(event);
});
});
return outputStream;
}
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