jashkenas--coffeescript/documentation/examples/generator_iteration.coffee

fibonacci = ->
  [previous, current] = [1, 1]
  loop
    [previous, current] = [current, previous + current]
    yield current
  return

getFibonacciNumbers = (length) ->
  results = [1]
  for n from fibonacci()
    results.push n
    break if results.length is length
  results
Docs for `for…from` (#4368) * Documentation of `for...from` for iterating over generator functions * Add note that the CoffeeScript compiler does not, in fact, generate JavaScript that runs in every JavaScript runtime :cry: 2016-11-22 12:30:39 -05:00			`fibonacci = ->`
			`[previous, current] = [1, 1]`
			`loop`
			`[previous, current] = [current, previous + current]`
			`yield current`
			`return`

			`getFibonacciNumbers = (length) ->`
			`results = [1]`
			`for n from fibonacci()`
			`results.push n`
			`break if results.length is length`
			`results`