core: Document FormatWriter and allow write!
#14258
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Travis failure is legit |
This commit fills in the documentation holes for the FormatWriter trait which were previously accidentally left blank. Additionally, this adds the `write_fmt` method to the trait to allow usage of the `write!` macro with implementors of the `FormatWriter` trait. This is not useful for consumers of the standard library who should generally avoid the `FormatWriter` trait, but it is useful for consumers of the core library who are not using the standard library.
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Oops, I think it should be taken care of now. |
bors
added a commit
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May 18, 2014
This commit fills in the documentation holes for the FormatWriter trait which were previously accidentally left blank. Additionally, this adds the `write_fmt` method to the trait to allow usage of the `write!` macro with implementors of the `FormatWriter` trait. This is not useful for consumers of the standard library who should generally avoid the `FormatWriter` trait, but it is useful for consumers of the core library who are not using the standard library.
bors
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to rust-lang-ci/rust
that referenced
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Apr 22, 2025
…-lang#14258) `assert_eq!()` and `assert_ne!()` are not expanded the same way as `assert!()` (they use a `match` instead of a `if`). This makes them being recognized as well. Fix rust-lang/rust-clippy#14255 changelog: [`missing_asserts_for_indexing`]: consider `assert_eq!()` as well
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This commit fills in the documentation holes for the FormatWriter trait which
were previously accidentally left blank. Additionally, this adds the
write_fmtmethod to the trait to allow usage of the
write!macro with implementors ofthe
FormatWritertrait. This is not useful for consumers of the standardlibrary who should generally avoid the
FormatWritertrait, but it is usefulfor consumers of the core library who are not using the standard library.