{"ast_node_type":"function","tokens":[{"end":61,"kind":"keyword","start":0,"text":"fn"}]}
    fn is_signed(&self, cx: &CodegenCx<'gcc, 'tcx>) -> bool {
impl<'gcc, 'tcx> SignType<'gcc, 'tcx> for Type<'gcc> {
        self.is_i8(cx) || self.is_i16(cx) || self.is_i32(cx) || self.is_i64(cx) || self.is_i128(cx)