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CHANGELOG.md

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Changelog

v1.3.0 - Unreleased

Build tool

Compiler

  • The compiler now emits a warning for redundant function captures in a pipeline:

    warning: Redundant function capture
  ┌─ /src/warning/wrn.gleam:5:17
  │
5 │     1 |> wibble(_, 2) |> wibble(2)
  │                 ^ You can safely remove this

This function capture is redundant since the value is already piped as the
first argument of this call.

See: https://tour.gleam.run/functions/pipelines/

    (Giacomo Cavalieri)

  • Functions etc named maybe are now escaped in generated Erlang as it is now a reserved word in Erlang/OTP 27. (Jake Barszcz)

Formatter

Language Server

  • The language server will now suggest the "Remove redundant tuple" action even if the case expression contains some catch all patterns:

    case #(a, b) {
  #(1, 2) -> todo
  _ -> todo
}

    Becomes:

    case a, b {
  1, 2 -> todo
  _, _ -> todo
}

    (Giacomo Cavalieri)

Bug Fixes

  • Fixed a bug where the compiler would output a confusing error message when trying to use the spread syntax to append to a list. (Giacomo Cavalieri)

  • Fixed a bug where the formatter would strip empty lines out of the body of an anonymous function passed as an argument. (Giacomo Cavalieri)

v1.2.1 - 2024-05-30

Bug Fixes

  • Fixed a bug where the compiler could fail to detect modules that would clash with Erlang modules. (Louis Pilfold)

  • Fixed a bug where dependency version resolution could crash for certain release candidate versions. (Marshall Bowers)

  • Fixed a bug where trailing comments would be moved out of a bit array. (Giacomo Cavalieri)