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Split out hoisting/printing of box patterns

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This commit is contained in:
Zalathar 2024-08-01 20:29:06 +10:00
parent 7f48851416
commit a5ed6fb646
2 changed files with 10 additions and 7 deletions
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6
compiler/rustc_pattern_analysis/src/rustc/print.rs
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@ -38,6 +38,10 @@ pub(crate) enum PatKind<'tcx> {
subpatterns: Vec<FieldPat<'tcx>>,
},
Box {
subpattern: Box<Pat<'tcx>>,
},
Deref {
subpattern: Box<Pat<'tcx>>,
},
@ -64,6 +68,7 @@ impl<'tcx> fmt::Display for Pat<'tcx> {
match self.kind {
PatKind::Wild => write!(f, "_"),
PatKind::Never => write!(f, "!"),
PatKind::Box { ref subpattern } => write!(f, "box {subpattern}"),
PatKind::StructLike { ref enum_info, ref subpatterns } => {
write_struct_like(f, self.ty, enum_info, subpatterns)
}
@ -184,7 +189,6 @@ fn write_ref_like<'tcx>(
subpattern: &Pat<'tcx>,
) -> fmt::Result {
match ty.kind() {
ty::Adt(def, _) if def.is_box() => write!(f, "box ")?,
ty::Ref(_, _, mutbl) => {
write!(f, "&{}", mutbl.prefix_str())?;
}