diff --git a/src/generics.rs b/src/generics.rs
index 0aeb29a..fbb89b1 100644
--- a/src/generics.rs
+++ b/src/generics.rs
@@ -93,6 +93,7 @@
     }
 }
 
+/// A generic type parameter, e.g. `T: Into<String>`.
 #[derive(Debug, Clone, Eq, PartialEq, Hash)]
 pub struct TyParam {
     pub attrs: Vec<Attribute>,
@@ -101,6 +102,17 @@
     pub default: Option<Ty>,
 }
 
+impl From<Ident> for TyParam {
+    fn from(ident: Ident) -> Self {
+        TyParam {
+            attrs: vec![],
+            ident: ident,
+            bounds: vec![],
+            default: None,
+        }
+    }
+}
+
 /// The AST represents all type param bounds as types.
 /// `typeck::collect::compute_bounds` matches these against
 /// the "special" built-in traits (see `middle::lang_items`) and