Promote char::is_case_ignorable from perma-unstable to unstable#154849
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rust-bors[bot] merged 1 commit intorust-lang:mainfrom Apr 6, 2026
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Promote char::is_case_ignorable from perma-unstable to unstable#154849rust-bors[bot] merged 1 commit intorust-lang:mainfrom
char::is_case_ignorable from perma-unstable to unstable#154849rust-bors[bot] merged 1 commit intorust-lang:mainfrom
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JonathanBrouwer
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…Mark-Simulacrum Promote `char::is_case_ignorable` from perma-unstable to unstable (Take two of rust-lang#154658, which was closed when GitHub Codespaces somehow managed to squash the entire commit history of rust-lang/rust into one commit) This function is currently used in the implementation of `str::to_lowercase()`. There is no reason to restrict it to the stdlib, though. Reimplementations of string casing for types other than `str` -> `String` shouldn't need to waste space with a duplicate copy of this table. @rustbot label A-unicode T-libs-api r? @Mark-Simulacrum
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…uwer Rollup of 8 pull requests Successful merges: - #153440 (Various LTO cleanups) - #154561 (Suggest similar keyword when visibility is not followed by an item) - #154657 (Fix pattern assignment suggestions for uninitialized bindings) - #154717 (Fix ICE in unsafe binder discriminant helpers) - #154722 (fix(lints): Improve `ill_formed_attribute_input` with better help message) - #154808 (Post-attribute ports cleanup pt. 1) - #154849 (Promote `char::is_case_ignorable` from perma-unstable to unstable) - #154850 (ast_validation: scalable vectors okay for rustdoc)
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…uwer Rollup of 8 pull requests Successful merges: - #153440 (Various LTO cleanups) - #154561 (Suggest similar keyword when visibility is not followed by an item) - #154657 (Fix pattern assignment suggestions for uninitialized bindings) - #154717 (Fix ICE in unsafe binder discriminant helpers) - #154722 (fix(lints): Improve `ill_formed_attribute_input` with better help message) - #154808 (Post-attribute ports cleanup pt. 1) - #154849 (Promote `char::is_case_ignorable` from perma-unstable to unstable) - #154850 (ast_validation: scalable vectors okay for rustdoc)
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…uwer Rollup of 8 pull requests Successful merges: - #153440 (Various LTO cleanups) - #154561 (Suggest similar keyword when visibility is not followed by an item) - #154657 (Fix pattern assignment suggestions for uninitialized bindings) - #154717 (Fix ICE in unsafe binder discriminant helpers) - #154722 (fix(lints): Improve `ill_formed_attribute_input` with better help message) - #154808 (Post-attribute ports cleanup pt. 1) - #154849 (Promote `char::is_case_ignorable` from perma-unstable to unstable) - #154850 (ast_validation: scalable vectors okay for rustdoc)
JonathanBrouwer
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…Mark-Simulacrum Promote `char::is_case_ignorable` from perma-unstable to unstable (Take two of rust-lang#154658, which was closed when GitHub Codespaces somehow managed to squash the entire commit history of rust-lang/rust into one commit) This function is currently used in the implementation of `str::to_lowercase()`. There is no reason to restrict it to the stdlib, though. Reimplementations of string casing for types other than `str` -> `String` shouldn't need to waste space with a duplicate copy of this table. @rustbot label A-unicode T-libs-api r? @Mark-Simulacrum
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…uwer Rollup of 9 pull requests Successful merges: - #153440 (Various LTO cleanups) - #151899 (Constify fold, reduce and last for iterator) - #154561 (Suggest similar keyword when visibility is not followed by an item) - #154657 (Fix pattern assignment suggestions for uninitialized bindings) - #154717 (Fix ICE in unsafe binder discriminant helpers) - #154722 (fix(lints): Improve `ill_formed_attribute_input` with better help message) - #154777 (`#[cfg]`: suggest alternative `target_` name when the value does not match) - #154849 (Promote `char::is_case_ignorable` from perma-unstable to unstable) - #154850 (ast_validation: scalable vectors okay for rustdoc)
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Rollup merge of #154849 - Jules-Bertholet:case-ignorable, r=Mark-Simulacrum Promote `char::is_case_ignorable` from perma-unstable to unstable (Take two of #154658, which was closed when GitHub Codespaces somehow managed to squash the entire commit history of rust-lang/rust into one commit) This function is currently used in the implementation of `str::to_lowercase()`. There is no reason to restrict it to the stdlib, though. Reimplementations of string casing for types other than `str` -> `String` shouldn't need to waste space with a duplicate copy of this table. @rustbot label A-unicode T-libs-api r? @Mark-Simulacrum
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…uwer Rollup of 9 pull requests Successful merges: - rust-lang/rust#153440 (Various LTO cleanups) - rust-lang/rust#151899 (Constify fold, reduce and last for iterator) - rust-lang/rust#154561 (Suggest similar keyword when visibility is not followed by an item) - rust-lang/rust#154657 (Fix pattern assignment suggestions for uninitialized bindings) - rust-lang/rust#154717 (Fix ICE in unsafe binder discriminant helpers) - rust-lang/rust#154722 (fix(lints): Improve `ill_formed_attribute_input` with better help message) - rust-lang/rust#154777 (`#[cfg]`: suggest alternative `target_` name when the value does not match) - rust-lang/rust#154849 (Promote `char::is_case_ignorable` from perma-unstable to unstable) - rust-lang/rust#154850 (ast_validation: scalable vectors okay for rustdoc)
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(Take two of #154658, which was closed when GitHub Codespaces somehow managed to squash the entire commit history of rust-lang/rust into one commit)
This function is currently used in the implementation of
str::to_lowercase(). There is no reason to restrict it to the stdlib, though. Reimplementations of string casing for types other thanstr->Stringshouldn't need to waste space with a duplicate copy of this table.@rustbot label A-unicode T-libs-api
r? @Mark-Simulacrum