rustc: remove unnecessary ItemSubsts wrapper.

[rust.git] / src / librustc / util / ppaux.rs

diff --git a/src/librustc/util/ppaux.rs b/src/librustc/util/ppaux.rs
index d773bb2da0898b6b30d0cdd07698bfa8395a90b1..6f6d48cdf58af1209defc6050b0d8d522e4fc04c 100644 (file)
--- a/src/librustc/util/ppaux.rs
+++ b/src/librustc/util/ppaux.rs
@@ -361,12 +361,6 @@ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
     }
 }
 
-impl<'tcx> fmt::Debug for ty::ItemSubsts<'tcx> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "ItemSubsts({:?})", self.substs)
-    }
-}
-
 impl<'tcx> fmt::Debug for ty::TraitRef<'tcx> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         // when printing out the debug representation, we don't need
@@ -458,7 +452,7 @@ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
     }
 }
 
-impl<'tcx> fmt::Debug for ty::RegionKind<'tcx> {
+impl fmt::Debug for ty::RegionKind {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match *self {
             ty::ReEarlyBound(ref data) => {
@@ -504,19 +498,7 @@ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
     }
 }
 
-impl<'tcx> fmt::Debug for ty::ParameterEnvironment<'tcx> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "ParameterEnvironment(\
-            free_substs={:?}, \
-            implicit_region_bound={:?}, \
-            caller_bounds={:?})",
-            self.free_substs,
-            self.implicit_region_bound,
-            self.caller_bounds)
-    }
-}
-
-impl<'tcx> fmt::Display for ty::RegionKind<'tcx> {
+impl fmt::Display for ty::RegionKind {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         if verbose() {
             return write!(f, "{:?}", *self);
@@ -544,7 +526,7 @@ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
     }
 }
 
-impl<'tcx> fmt::Debug for ty::FreeRegion<'tcx> {
+impl fmt::Debug for ty::FreeRegion {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "ReFree({:?}, {:?})",
                self.scope, self.bound_region)