Compiler error messages: reduce assertiveness of message E0384 #2695
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This message is emitted as guidance by the compiler when a developer attempts to reassign a value to an immutable variable. Following the message will always currently work, but it may not always be the best course of action; following the 'consider ...' messaging pattern provides a hint to the developer that it could be wise to explore other alternatives.
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We track this when we update the version of Rust; if this change ever makes it upstream, and we update the book to be for that version of the compiler, we'll update this message. Thanks though! |
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This message is emitted as guidance by the compiler when a developer attempts to reassign a value to an immutable variable. Following the message will always currently work, but it may not always be the best course of action; following the 'consider ...' messaging pattern provides a hint to the developer that it could be wise to explore other alternatives.
Relates to rust-lang/rust#84144