Expand Path::is_empty docs#155652
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…uwer Rollup of 10 pull requests Successful merges: - #146544 (mir-opt: Remove the workaround in UnreachableEnumBranching) - #154819 (Fix ICE for inherent associated type mismatches) - #155265 (Improved assumptions relating to isqrt) - #152576 (c-variadic: use `emit_ptr_va_arg` for mips) - #154481 (Mark a function only used in nightly as nightly only) - #155614 (c-variadic: rename `VaList::arg` to `VaList::next_arg`) - #155630 (Make `//@ skip-filecheck` a normal compiletest directive) - #155641 (Remove non-working code for "running" mir-opt tests) - #155652 (Expand `Path::is_empty` docs) - #155656 (rustc_llvm: update opt-level handling for LLVM 23)
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Rollup merge of #155652 - ChrisDenton:empty-docs, r=jhpratt Expand `Path::is_empty` docs Give some reasons why you might want to check if a path is empty. The `Path::join` behaviour can be surprising if you're not aware it might happen.
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…uwer Rollup of 10 pull requests Successful merges: - rust-lang/rust#146544 (mir-opt: Remove the workaround in UnreachableEnumBranching) - rust-lang/rust#154819 (Fix ICE for inherent associated type mismatches) - rust-lang/rust#155265 (Improved assumptions relating to isqrt) - rust-lang/rust#152576 (c-variadic: use `emit_ptr_va_arg` for mips) - rust-lang/rust#154481 (Mark a function only used in nightly as nightly only) - rust-lang/rust#155614 (c-variadic: rename `VaList::arg` to `VaList::next_arg`) - rust-lang/rust#155630 (Make `//@ skip-filecheck` a normal compiletest directive) - rust-lang/rust#155641 (Remove non-working code for "running" mir-opt tests) - rust-lang/rust#155652 (Expand `Path::is_empty` docs) - rust-lang/rust#155656 (rustc_llvm: update opt-level handling for LLVM 23)
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…uwer Rollup of 10 pull requests Successful merges: - rust-lang/rust#146544 (mir-opt: Remove the workaround in UnreachableEnumBranching) - rust-lang/rust#154819 (Fix ICE for inherent associated type mismatches) - rust-lang/rust#155265 (Improved assumptions relating to isqrt) - rust-lang/rust#152576 (c-variadic: use `emit_ptr_va_arg` for mips) - rust-lang/rust#154481 (Mark a function only used in nightly as nightly only) - rust-lang/rust#155614 (c-variadic: rename `VaList::arg` to `VaList::next_arg`) - rust-lang/rust#155630 (Make `//@ skip-filecheck` a normal compiletest directive) - rust-lang/rust#155641 (Remove non-working code for "running" mir-opt tests) - rust-lang/rust#155652 (Expand `Path::is_empty` docs) - rust-lang/rust#155656 (rustc_llvm: update opt-level handling for LLVM 23)
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Give some reasons why you might want to check if a path is empty. The
Path::joinbehaviour can be surprising if you're not aware it might happen.