Update path separators to be available in const context#153196
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MikkelPaulson wants to merge 2 commits intorust-lang:mainfrom
Open
Update path separators to be available in const context#153196MikkelPaulson wants to merge 2 commits intorust-lang:mainfrom
MikkelPaulson wants to merge 2 commits intorust-lang:mainfrom
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Change reference to imported MAIN_SEP_STR to local MAIN_SEPARATOR_STR, removing an unnecessary import.
* consolidate various representations of separators in std::sys::path
into a single macro_rules invocation per platform to save
transcription errors
* make `std::path::is_separator()` const
* new constants `std::path::{SEPARATORS, SEPARATORS_STR}`
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r? @joboet rustbot has assigned @joboet. Use Why was this reviewer chosen?The reviewer was selected based on:
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joboet
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Feb 28, 2026
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| // FIXME(const_array): this can be done much more cleanly at compile time without a macro once | ||
| // array::from_fn and/or array::map are stabilized |
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I think we'd still want the macro in this case because it makes the item definitions simpler.
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Tracking issue: #153106
This makes platform-dependent secondary path separators available in const context (ie. at compile time). The platform definitions have also been consolidated behind a common macro to prevent transcription errors, whereas previously they were defined 3-4 times per platform.
Questions
I've manually verified that this compiles against each platform. It seems like no unit tests should be required for this change; is that correct?