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Document importing `main`

1

Tracking issue: https://github.com/rust-lang/rust/issues/28937 I'd like to push for stabilizing this, so writing a documentation PR to go along with it. @rustbot label +S-waiting-on-stabilization

clubby789

The Patterns chapter didn't say that struct patterns can match enum values, and didn't document how refutability works for enums.

mattheww

Moves the descriptions of BOM removal, CRLF normalisation, and shebang removal to the "Input format" page. So the rest of the _Lexical structure_ chapter now assumes CRLF normalisation has already...

mattheww

See the commit messages for details.

steffahn

a more reasonable explanation for atomic operation on static is unsafe

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a more reasonable explanation for atomic operation on static is unsafe

zylthinking

Document how `self: Self` receiver types *actually* interact with object safety

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Fixes #1247 The description here on how this works is based purely on experiments on what the compiler does or does not accept (without unstable features), not on any inspection...

steffahn

Clarify semantics of the various pointer to pointer casts

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Relates #1448 I've tried to the best of my ability to reproduce the verbiage of the reference, some parts feel a bit wordy to me so any feedback would be...

udoprog

'.inst' in inline-assembly changed to '.insn'

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The correct directive name should be `.insn`. [Here is the issue in rust repository.](https://github.com/rust-lang/rust/issues/90558)

CyoeeA9e

Guarantee repr(C) enum discriminants are stable within a compilation

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joshlf

Character and string token definitions need updating.

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There are multiple issues here. Some of this has changed in 1.37 via https://github.com/rust-lang/rust/pull/60793. - [x] `RAW_BYTE_STRING_LITERAL` no longer allows bare CR (new 1.37). #1459 - [x] "Raw string" and...

ehuss