Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/vendor/chalk-solve-0.87.0/src/display/identifiers.rs b/vendor/chalk-solve-0.87.0/src/display/identifiers.rs
new file mode 100644
index 000000000..81a08d71b
--- /dev/null
+++ b/vendor/chalk-solve-0.87.0/src/display/identifiers.rs
@@ -0,0 +1,54 @@
+//! Writer logic for simple IDs
+//!
+//! `RenderAsRust` impls for identifiers which are either too small or too
+//! shared to belong anywhere else belong here.
+use std::fmt::{Formatter, Result};
+
+use chalk_ir::interner::Interner;
+use chalk_ir::*;
+
+use super::{render_trait::RenderAsRust, state::InternalWriterState};
+
+impl<I: Interner> RenderAsRust<I> for AdtId<I> {
+    fn fmt(&self, s: &InternalWriterState<'_, I>, f: &'_ mut Formatter<'_>) -> Result {
+        // TODO: use debug methods?
+        write!(
+            f,
+            "{}",
+            s.alias_for_adt_id_name(self.0, s.db().adt_name(*self))
+        )
+    }
+}
+
+impl<I: Interner> RenderAsRust<I> for TraitId<I> {
+    fn fmt(&self, s: &InternalWriterState<'_, I>, f: &'_ mut Formatter<'_>) -> Result {
+        // TODO: use debug methods?
+        write!(
+            f,
+            "{}",
+            s.alias_for_id_name(self.0, s.db().trait_name(*self))
+        )
+    }
+}
+
+impl<I: Interner> RenderAsRust<I> for AssocTypeId<I> {
+    fn fmt(&self, s: &InternalWriterState<'_, I>, f: &'_ mut Formatter<'_>) -> Result {
+        // TODO: use debug methods?
+        write!(
+            f,
+            "{}",
+            s.alias_for_id_name(self.0, s.db().assoc_type_name(*self))
+        )
+    }
+}
+
+impl<I: Interner> RenderAsRust<I> for OpaqueTyId<I> {
+    fn fmt(&self, s: &InternalWriterState<'_, I>, f: &'_ mut Formatter<'_>) -> Result {
+        // TODO: use debug methods?
+        write!(
+            f,
+            "{}",
+            s.alias_for_id_name(self.0, s.db().opaque_type_name(*self))
+        )
+    }
+}