diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc/ty/mod.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs index 96a0627c6a4..d080724fac9 100644 --- a/src/librustc/ty/mod.rs +++ b/src/librustc/ty/mod.rs @@ -1202,6 +1202,7 @@ impl<'a, 'tcx> ParameterEnvironment<'a, 'tcx> { } } + /// Construct a parameter environment given an item, impl item, or trait item pub fn for_item(cx: &'a TyCtxt<'tcx>, id: NodeId) -> ParameterEnvironment<'a, 'tcx> { match cx.map.find(id) { Some(ast_map::NodeImplItem(ref impl_item)) => { @@ -1341,7 +1342,7 @@ impl<'a, 'tcx> ParameterEnvironment<'a, 'tcx> { } _ => { cx.sess.span_bug(item.span, - "ParameterEnvironment::from_item(): + "ParameterEnvironment::for_item(): can't create a parameter \ environment for this kind of item") } @@ -1352,7 +1353,7 @@ impl<'a, 'tcx> ParameterEnvironment<'a, 'tcx> { ParameterEnvironment::for_item(cx, cx.map.get_parent(id)) } _ => { - cx.sess.bug(&format!("ParameterEnvironment::from_item(): \ + cx.sess.bug(&format!("ParameterEnvironment::for_item(): \ `{}` is not an item", cx.map.node_to_string(id))) } |