Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/display.rs')
-rw-r--r--crates/hir-ty/src/display.rs21
1 files changed, 19 insertions, 2 deletions
diff --git a/crates/hir-ty/src/display.rs b/crates/hir-ty/src/display.rs
index 97693435fe..fda572a02b 100644
--- a/crates/hir-ty/src/display.rs
+++ b/crates/hir-ty/src/display.rs
@@ -59,8 +59,8 @@ use crate::{
next_solver::{
AliasTy, Allocation, Clause, ClauseKind, Const, ConstKind, DbInterner,
ExistentialPredicate, FnSig, GenericArg, GenericArgKind, GenericArgs, ParamEnv, PolyFnSig,
- Region, SolverDefId, StoredEarlyBinder, StoredTy, Term, TermKind, TraitRef, Ty, TyKind,
- TypingMode, ValTree,
+ Region, SolverDefId, StoredEarlyBinder, StoredTy, Term, TermKind, TraitPredicate, TraitRef,
+ Ty, TyKind, TypingMode, ValTree,
abi::Safety,
infer::{DbInternerInferExt, traits::ObligationCause},
},
@@ -2275,6 +2275,23 @@ impl<'db> HirDisplay<'db> for TraitRef<'db> {
}
}
+impl<'db> HirDisplay<'db> for TraitPredicate<'db> {
+ fn hir_fmt(&self, f: &mut HirFormatter<'_, 'db>) -> Result {
+ self.self_ty().hir_fmt(f)?;
+ f.write_str(": ")?;
+ match self.polarity {
+ rustc_type_ir::PredicatePolarity::Positive => {}
+ rustc_type_ir::PredicatePolarity::Negative => f.write_char('!')?,
+ }
+ let trait_ = self.def_id().0;
+ f.start_location_link(trait_.into());
+ write!(f, "{}", TraitSignature::of(f.db, trait_).name.display(f.db, f.edition()))?;
+ f.end_location_link();
+ let substs = &self.trait_ref.args[1..];
+ hir_fmt_generic_args(f, substs, None, None)
+ }
+}
+
impl<'db> HirDisplay<'db> for Region<'db> {
fn hir_fmt(&self, f: &mut HirFormatter<'_, 'db>) -> Result {
match self.kind() {