10 lines
404 B
JavaScript
10 lines
404 B
JavaScript
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let
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polyfix= // A version that takes an array instead of multiple arguments would simply use l instead of (...l) for parameter
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(...l)=>(
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(f=>f(f))
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(g=>l.map(f=>(...x)=>f(...g(g))(...x)))),
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[even,odd]= // The new destructive assignment syntax for arrays
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polyfix(
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(even,odd)=>n=>(n===0)||odd(n-1),
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(even,odd)=>n=>(n!==0)&&even(n-1));
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