If I have two functions f and g, in Haskell I can compose them by writing g.f. How do I do the same thing in Lean 4?
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eyelash
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The symbol in Lean is the unicode ∘, which is notation for Function.comp.
It'sNotALie.
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What's the shortcut to enter this symbol in VSCode? – eyelash Sep 28 '22 at 16:23
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2\comp, \circ should both work, iirc – It'sNotALie. Sep 28 '22 at 16:57
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is there a notation for forward function composition ? aka f >> g = \x -> g (f x) – nicolas Aug 18 '23 at 21:14