javascript - Coffescript switch when -

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my coffeescript following:

level = switch       when 0 <= value <= 1 0       when 1 < value <= 2 1       when 2 < value <= 3 2       when 3 < value <= 4 3       when 4 < value <= 5 4       else 6

why :

uncaught error: execjs::programerror: [stdin]:15:4: error: unexpected when when 1 < value <= 2 1

this works fine:

 when value <= cool 0       when value >= warm 4       else          bucketsize = (warm - cool) / 3 # total # of colours in middle         math.ceil (value - cool) / bucketsize

this works:

 level = switch       when value <= 1 0       when value <= 4 4       else 5

untill add when value <=2 1

it indentation.

level = switch       when 0 <= value < 1 0       when 1 <= value < 2 1       when 2 <= value < 3 2       when 3 <= value < 4 3       when 4 <= value <= 5 4       else 5

i kept code here : http://www.coffeelint.org/

and checked indentation.


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