*Mathematica* has this: In[1]: Map((1 + #1)&, {a, b, c}) Out[1]: {a + 1, b + 1, ... | Hacker News

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		tmoertel 3 months ago \| parent \| context \| favorite \| on: Matt Godbolt sold me on Rust by showing me C++ Mathematica has this: `In[1]: Map((1 + #1)&, {a, b, c}) Out[1]: {a + 1, b + 1, c + 1}` See https://reference.wolfram.com/language/ref/Function.html.en for the full story.

zelphirkalt 3 months ago [–]

What is that & doing there? I thought it looks neat, but then that & ...

tmoertel 3 months ago | [–]

The & is a postfix operator that converts an expression into an anonymous function. See “Pure Functions”:

https://reference.wolfram.com/language/tutorial/FunctionalOp...

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