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trxcllnt/combineLatest-tricks.coffee

Created January 25, 2013 20:55
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combineLatest, merge, expand
Raw
combineLatest-tricks.coffee
merge = [].concat
expand = (fn, context) -> (args) -> fn.apply context, args.slice 0, fn.length
obs1 = Rx.Observable.returnValue(1)
obs2 = Rx.Observable.returnValue(2)
obs3 = Rx.Observable.returnValue(3)
combined = obs1.combineLatest(obs2, merge).combineLatest(obs3, merge)
combined.subscribe expand (o1, o2, o3) -> o1 + o2 + o3
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