bjoernager/rust
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Stabilize destructuring_assignment

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This commit is contained in:
Jacob Pratt 2021-11-03 02:50:57 -04:00
parent d594910a2d
commit d95f749f14
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GPG key ID: B80E19E4662B5AA4
49 changed files with 64 additions and 383 deletions
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19
compiler/rustc_ast_lowering/src/expr.rs
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@ -9,7 +9,6 @@ use rustc_errors::struct_span_err;
use rustc_hir as hir;
use rustc_hir::def::Res;
use rustc_hir::definitions::DefPathData;
use rustc_session::parse::feature_err;
use rustc_span::hygiene::ExpnId;
use rustc_span::source_map::{respan, DesugaringKind, Span, Spanned};
use rustc_span::symbol::{sym, Ident, Symbol};
@ -930,24 +929,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
self.lower_span(eq_sign_span),
);
}
if !self.sess.features_untracked().destructuring_assignment {
let mut err = feature_err(
&self.sess.parse_sess,
sym::destructuring_assignment,
eq_sign_span,
"destructuring assignments are unstable",
);
err.span_label(lhs.span, "cannot assign to this expression");
if self.is_in_loop_condition {
err.span_suggestion_verbose(
lhs.span.shrink_to_lo(),
"you might have meant to use pattern destructuring",
"let ".to_string(),
rustc_errors::Applicability::MachineApplicable,
);
}
err.emit();
}
let mut assignments = vec![];