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15 lines
456 B
Text
15 lines
456 B
Text
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// This is a commented version of the implementation of 'foreach' inside
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// the standard library.
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[(l f) // list and function to call with each element.
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$l len (e) // Get list len in "e"
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0 (j) // j is our current index
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[$j $e <] [
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$l $j get@ // Get list[j]
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$f upeval // We want to evaluate in the context of the caller
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$j 1 + (j) // Go to the next index
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] while
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] 'foreach def
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[1 2 3] [printnl] foreach
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