Announcing Rust 1.76.0 | Rust Blog
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  • anlumo@feddit.deEnglish
    152·
    10 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
});
    • xav
      1·
      10 months ago

      Warning: in the first case “value” is actually a shared reference, not a value.