Do not suggest char literal for zero-length strings #92715
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Do not suggest char literal for zero-length strings PR rust-lang#92507 adds a hint to switch to single quotes when a char is expected and a single-character string literal is provided. The check to ensure the string literal is one character long missed the 0-char case, and would incorrectly offer the hint. This PR adds the missing check, and a test case to confirm the new behavior.
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…askrgr Rollup of 7 pull requests Successful merges: - rust-lang#91950 (Point at type when a `static` `#[global_allocator]` doesn't `impl` `GlobalAlloc`) - rust-lang#92715 (Do not suggest char literal for zero-length strings) - rust-lang#92917 (Don't constrain projection predicates with inference vars in GAT substs) - rust-lang#93206 (Use `NtCreateFile` instead of `NtOpenFile` to open a file) - rust-lang#93732 (add fut/back compat tests for implied trait bounds) - rust-lang#93764 (:arrow_up: rust-analyzer) - rust-lang#93767 (deduplicate `lcnr` in mailmap) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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PR #92507 adds a hint to switch to single quotes when a char is expected and a single-character string literal is provided.
The check to ensure the string literal is one character long missed the 0-char case, and would incorrectly offer the hint.
This PR adds the missing check, and a test case to confirm the new behavior.