Mut restriction parse#156824
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The parser was modified, potentially altering the grammar of (stable) Rust cc @fmease Changes to the size of AST and/or HIR nodes. cc @nnethercote The Rustfmt subtree was changed cc @rust-lang/rustfmt The Clippy subtree was changed cc @rust-lang/clippy |
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This PR is part of the progress implementing
mutrestrictions proposed in RFC 3323, and linked to a GSoC proposal.This PR focuses solely on the parsing of
mutrestrictions.The keyword order is
pub(...) mut(...) unsafe field.The new syntax is guared by
#[feature(mut_restriction)]feature gate.Tracking Issue: #105077
r? @Urgau
cc @jhpratt