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bf4a62c381
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10 Commits

Author SHA1 Message Date
Nicholas Nethercote
bf4a62c381 Fix an ICE parsing a malformed literal in concat_bytes!. 
Fixes #104769.
 2022-11-30 12:19:07 +11:00
Nicholas Nethercote
358a603f11 Use token::Lit in ast::ExprKind::Lit. 
Instead of `ast::Lit`.

Literal lowering now happens at two different times. Expression literals
are lowered when HIR is crated. Attribute literals are lowered during
parsing.

This commit changes the language very slightly. Some programs that used
to not compile now will compile. This is because some invalid literals
that are removed by `cfg` or attribute macros will no longer trigger
errors. See this comment for more details:
https://github.com/rust-lang/rust/pull/102944#issuecomment-1277476773
 2022-11-16 09:41:28 +11:00
clubby789
b2da155a9a Introduce ExprKind::IncludedBytes 2022-11-11 16:31:32 +00:00
Nicholas Nethercote
6087dc2054 Remove the symbol from ast::LitKind::Err. 
Because it's never used meaningfully.
 2022-08-23 16:56:24 +10:00
Nicholas Nethercote
d7a041f607 Make ExtCtxt::expr_lit non-pub. 
By using `expr_str` more and adding `expr_{char,byte_str}`.
 2022-08-16 11:17:15 +10:00
est31
2ef8af6619 Adopt let else in more places 2022-02-19 17:27:43 +01:00
est31
60f969a4f2 Adopt let_else in even more places 2022-02-16 22:43:39 +01:00
Smitty
9702348957 Clarify that repeat count must be positive 2021-12-27 12:31:40 -05:00
Smitty
31731511c0 Support [x; n] expressions in concat_bytes! 
Contributes to #87555.
 2021-12-18 08:50:01 -05:00
Smitty
eb56693a37 Implement concat_bytes! 
The tracking issue for this is #87555.
 2021-12-06 21:05:13 -05:00