bjoernager/rust
bjoernager/rust
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Iron out last rustc-specific details

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This commit is contained in:
Nadrieril 2023-12-11 20:45:34 +01:00
parent cb622f3994
commit 42f4393824
5 changed files with 43 additions and 18 deletions
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6
compiler/rustc_pattern_analysis/src/lib.rs
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@ -30,8 +30,12 @@ use crate::rustc::RustcCtxt;
pub trait MatchCx: Sized + Clone + fmt::Debug {
type Ty: Copy + Clone + fmt::Debug; // FIXME: remove Copy
type Span: Clone + Default;
/// The index of an enum variant.
type VariantIdx: Clone + Idx;
/// A string literal
type StrLit: Clone + PartialEq + fmt::Debug;
/// Extra data to store on a match arm.
type ArmData: Copy + Clone + fmt::Debug;
fn is_opaque_ty(ty: Self::Ty) -> bool;
fn is_exhaustive_patterns_feature_on(&self) -> bool;
@ -60,8 +64,8 @@ pub trait MatchCx: Sized + Clone + fmt::Debug {
pub struct MatchArm<'p, Cx: MatchCx> {
/// The pattern must have been lowered through `check_match::MatchVisitor::lower_pattern`.
pub pat: &'p DeconstructedPat<'p, Cx>,
pub hir_id: HirId,
pub has_guard: bool,
pub arm_data: Cx::ArmData,
}
impl<'p, Cx: MatchCx> Copy for MatchArm<'p, Cx> {}