fixup: More idiomatic map

Author: J. Cliff Dyer

src/ir/enum_ty.rs

@@ -72,7 +72,7 @@ impl Enum {
 
         declaration.visit(|cursor| {
             let val = if is_signed {
-                cursor.enum_val_signed().map(|val| EnumVariantValue::Signed(val))
+                cursor.enum_val_signed().map(EnumVariantValue::Signed)
             } else {
                 if cursor.kind() == CXCursor_EnumConstantDecl {
                     Some(EnumVariantValue::Unsigned(cursor.enum_val_unsigned()))
@@ -84,7 +84,7 @@ impl Enum {
                 let name = cursor.spelling();
                 let comment = cursor.raw_comment();
                 variants.push(EnumVariant::new(name, comment, val));
-            };
+            }
             CXChildVisit_Continue
         });