Talk:Bitmap: Difference between revisions

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<lang J>fillImage=: $~ $</lang>
 
TwoWhen exactly two verbs (functions) are placed side by side, in isolation, J aretreats special,them syntacticallyspecially. The one on the left has its normal dyadic meaning, the one on the right has its normal monadic meaning.
 
105 (+* -!) 13
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5 * ! 3
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5 * 6
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!3 NB. 3 factorial
6
 
Also, the ~ modifier creates a new function based on the original (but with its arguments swapped, left and right.
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