diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_middle/src/ty/print/pretty.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 1e59983583b..a101127104d 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -735,7 +735,10 @@ pub trait PrettyPrinter<'tcx>: p!(print(data)) } } - ty::Placeholder(placeholder) => p!(write("Placeholder({:?})", placeholder)), + ty::Placeholder(placeholder) => match placeholder.name { + ty::BoundTyKind::Anon(_) => p!(write("Placeholder({:?})", placeholder)), + ty::BoundTyKind::Param(_, name) => p!(write("{}", name)), + }, ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs, .. }) => { // We use verbose printing in 'NO_QUERIES' mode, to // avoid needing to call `predicates_of`. This should |