Move enum_kind_is_signed to a method on IKind

2 files changed, 19 insertions, 17 deletions

diff --git a/src/gen.rs b/src/gen.rs
index e26fbffb..ad87507b 100644
--- a/src/gen.rs
+++ b/src/gen.rs
@@ -700,22 +700,6 @@ fn const_to_rs(ctx: &mut GenCtx, name: String, val: i64, val_ty: ast::Ty) -> P<a
     })
 }
 
-fn enum_kind_is_signed(kind: IKind) -> bool {
-    match kind {
-        IBool => false,
-        ISChar => true,
-        IUChar => false,
-        IShort => true,
-        IUShort => false,
-        IInt => true,
-        IUInt => false,
-        ILong => true,
-        IULong => false,
-        ILongLong => true,
-        IULongLong => false,
-    }
-}
-
 fn enum_size_to_rust_type_name(signed: bool, size: usize) -> &'static str {
     match (signed, size) {
         (true, 1) => "i8",
@@ -774,7 +758,7 @@ fn cenum_to_rs(ctx: &mut GenCtx,
                -> Vec<P<ast::Item>> {
     let enum_name = ctx.ext_cx.ident_of(&name);
     let enum_ty = ctx.ext_cx.ty_ident(ctx.span, enum_name);
-    let enum_is_signed = enum_kind_is_signed(kind);
+    let enum_is_signed = kind.is_signed();
 
     let mut variants = vec![];
     let mut found_values = HashMap::new();
diff --git a/src/types.rs b/src/types.rs
index 14526fd0..a8726b53 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -174,6 +174,24 @@ pub enum IKind {
     IULongLong
 }
 
+impl IKind {
+    pub fn is_signed(self) -> bool {
+        match self {
+            IBool => false,
+            ISChar => true,
+            IUChar => false,
+            IShort => true,
+            IUShort => false,
+            IInt => true,
+            IUInt => false,
+            ILong => true,
+            IULong => false,
+            ILongLong => true,
+            IULongLong => false,
+        }
+    }
+}
+
 #[derive(Copy, Clone, PartialEq)]
 pub enum FKind {
     FFloat,