Announcing Rust 1.76.0 | Rust Blog
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    • anlumo@feddit.deEnglish
      22·
      8 months ago
      let bar: Result<T, E> = ...;
let foo = bar.inspect(|value| log::debug("{}", value));

      is equivalent to

      let bar: Result<T, E> = ...;
let foo = bar.map(|value| {
    log::debug("{}", value);
    value
});
    • GissaMittJobb@lemmy.ml
      0·
      8 months ago

      Looks vaguely like Stream::peek from Java, I think? There’s an equivalent method in Iterator::inspect.