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-rw-r--r--src/test/ui/consts/const-fn-type-name.rs37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-fn-type-name.rs b/src/test/ui/consts/const-fn-type-name.rs
new file mode 100644
index 000000000..fd4f60cb8
--- /dev/null
+++ b/src/test/ui/consts/const-fn-type-name.rs
@@ -0,0 +1,37 @@
+// run-pass
+
+#![feature(core_intrinsics)]
+#![feature(const_type_name)]
+#![allow(dead_code)]
+
+const fn type_name_wrapper<T>(_: &T) -> &'static str {
+ core::intrinsics::type_name::<T>()
+}
+
+struct Struct<TA, TB, TC> {
+ a: TA,
+ b: TB,
+ c: TC,
+}
+
+type StructInstantiation = Struct<i8, f64, bool>;
+
+const CONST_STRUCT: StructInstantiation = StructInstantiation {
+ a: 12,
+ b: 13.7,
+ c: false,
+};
+
+const CONST_STRUCT_NAME: &'static str = type_name_wrapper(&CONST_STRUCT);
+
+fn main() {
+ let non_const_struct = StructInstantiation {
+ a: 87,
+ b: 65.99,
+ c: true,
+ };
+
+ let non_const_struct_name = type_name_wrapper(&non_const_struct);
+
+ assert_eq!(CONST_STRUCT_NAME, non_const_struct_name);
+}