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Train: Difference between revisions
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m (→2-trains: Kap also has the (A h) form) |
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[[dzaima/APL]]<ref>dzaima/APL: [https://github.com/dzaima/APL/blob/ceea05e25687988ed0980a4abf4b9249b736543f/docs/differences.txt#L19 Differences from Dyalog APL]. Retrieved 09 Jan 2020.</ref> and [[Kap]] allow <syntaxhighlight lang=apl inline>(A h)</syntaxhighlight>, which | [[dzaima/APL]]<ref>dzaima/APL: [https://github.com/dzaima/APL/blob/ceea05e25687988ed0980a4abf4b9249b736543f/docs/differences.txt#L19 Differences from Dyalog APL]. Retrieved 09 Jan 2020.</ref> and [[Kap]] allow <syntaxhighlight lang=apl inline>(A h)</syntaxhighlight>, which is treated as <syntaxhighlight lang=apl inline>A∘h</syntaxhighlight>. See [[Bind]]. | ||
[[J]] instead defines the 2-train as a [[hook]], equivalent to the function derived using the [[Withe]] operator. The left function is always applied [[dyadic function|dyadically]], taking as right argument, the result of applying the right function on the right argument. If there is no left argument, the sole argument is used also as left argument: | [[J]] instead defines the 2-train as a [[hook]], equivalent to the function derived using the [[Withe]] operator. The left function is always applied [[dyadic function|dyadically]], taking as right argument, the result of applying the right function on the right argument. If there is no left argument, the sole argument is used also as left argument: | ||