The evolution of Rust compiler error messages, the approach taken by the core team, and even some sample code from the Rust lexer and parser!
miniblog.
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I've been using "Expected Int, but got String" for my type error messages, but I've been wondering if I could do better.
"Expected Int here, but this value has type String" or "This expression requires Int, but the value is String".
Do you have a favourite?
Some delightful examples of good compiler error messages in the latest Gleam release:
I'm increasingly doubtful that commit messages should be entirely immutable.
I sometimes find myself editing or commenting on merged pull requests, to help future readers.
Phabricator appended a URL to commit messages, which helped. In principle PR merging could do the same thing.