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A comment on Rust 2019: Tame Complexity through Community Involvement Tools. Parent comment

Re:Rust 2019: Tame Complexity through Community Involvement ... by kouteiheika on Tuesday January 01, 2019 @04:42PM (#18802568)
A tip - you usually don't need lambdas in such cases; this should work:

    foo().map_err(MyError::FooError)?
      .bar().map_err(MyError::BarError)?;
[ Parent | on HN ]
Re:Rust 2019: Tame Complexity through Community Involvement ... by smaddox on Tuesday January 01, 2019 @08:56PM (#18803671)
Oh, nice! I did not realize tuple constructors implemented `FnOnce`! Thanks for the tip!
[ Parent | on HN ]