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Move 2024 · medium

8. Move 2024: Macro Functions & Lambdas

Higher-order collection transformations (map!, for_each!).

1 min read2 questionsup to 50 XPtopic 8/25

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Move 2024 introduces inlined macro functions ending in `!`, accepting closure-like lambda syntax for functional operations.

move
let mut v = vector[1, 2, 3];
v.for_each!(|x| {
    print(&x);
});

How to study this topic

  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
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Check your understanding

  1. 1. How are macro functions designated in Move 2024 syntax?

  2. 2. Are Move 2024 lambdas evaluated at runtime or inlined at compile-time?

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