bjoernager/rust
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Review comments: use newtype instead of bool

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This commit is contained in:
Esteban Küber 2020-10-22 10:27:40 -07:00
parent 671d7c4afb
commit 62ba365195
5 changed files with 68 additions and 43 deletions
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17
compiler/rustc_middle/src/traits/mod.rs
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@ -340,11 +340,24 @@ impl ObligationCauseCode<'_> {
#[cfg(target_arch = "x86_64")]
static_assert_size!(ObligationCauseCode<'_>, 32);
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub enum StatementAsExpression {
CorrectType,
NeedsBoxing,
}
impl<'tcx> ty::Lift<'tcx> for StatementAsExpression {
type Lifted = StatementAsExpression;
fn lift_to_tcx(self, _tcx: TyCtxt<'tcx>) -> Option<StatementAsExpression> {
Some(self)
}
}
#[derive(Clone, Debug, PartialEq, Eq, Hash, Lift)]
pub struct MatchExpressionArmCause<'tcx> {
pub arm_span: Span,
pub scrut_span: Span,
pub semi_span: Option<(Span, bool)>,
pub semi_span: Option<(Span, StatementAsExpression)>,
pub source: hir::MatchSource,
pub prior_arms: Vec<Span>,
pub last_ty: Ty<'tcx>,
@ -357,7 +370,7 @@ pub struct IfExpressionCause {
pub then: Span,
pub else_sp: Span,
pub outer: Option<Span>,
pub semicolon: Option<(Span, bool)>,
pub semicolon: Option<(Span, StatementAsExpression)>,
pub opt_suggest_box_span: Option<Span>,
}