Created
March 15, 2013 05:15
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these must be those fibers people are talking about
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function pipeall(array) { | |
var chain = []; | |
var next; | |
var next_val = 0; | |
var tramp = function(result) { | |
var stage = chain[--next]; | |
var fn; | |
if(next) { | |
fn = function() { | |
stage(result, tramp); | |
}; | |
} else { | |
fn = function() { | |
stage(result); | |
next = chain.length; | |
if(next_val != array.length) { | |
tramp(array[next_val++]); | |
} | |
}; | |
} | |
setTimeout(fn, 0); | |
}; | |
var thru = function(stage) { | |
chain.push(stage); | |
return this; | |
}; | |
var to = function(stage) { | |
chain.push(stage); | |
chain.reverse(); | |
next = chain.length; | |
tramp(array[next_val++]); | |
}; | |
return { | |
thru: thru, | |
to: to, | |
}; | |
} | |
function pipe(value) { | |
return pipeall([value]); | |
} | |
function lift(fn) { | |
return function(arg, next) { | |
next(fn(arg)); | |
}; | |
} | |
function fizzbuzz(num) { | |
if(!(num % 15)) | |
return "fizzbuzz"; | |
if(!(num % 5)) | |
return "buzz"; | |
if(!(num % 3)) | |
return "fizz"; | |
return num; | |
} | |
function rangei(first, last) { | |
var vals = []; | |
while(first <= last) { | |
vals.push(first++); | |
} | |
return vals; | |
} | |
pipeall(rangei(1,17)) | |
.thru(lift(fizzbuzz)) | |
.to(console.log); | |
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