tests: Add tests for name clashes

tests/name_clashes.rs

@@ -0,0 +1,41 @@
+// These types test that we don't have name clashes between field names
+// and our local variables and parameter names.
+//
+// We don't need to actually use these anywhere - just compiling them shows things are OK.
+#![allow(dead_code)]
+
+use educe::Educe;
+
+#[derive(Educe, Eq)]
+#[educe(Clone, Debug, Hash, Default, PartialEq, PartialOrd, Ord)]
+pub enum NameClashesEnum {
+    #[educe(Default)]
+    TestDefault { },
+    TestClone { source: i16, v_source_: i16, },
+    TestDebug1 { f: i8, v_formatter_: i8, },
+    TestDebug2 { builder: i32, v_builder_: i32, },
+    TestHHash { state: i32, v_state_: i32, },
+    TestPartialEq { other: i64, v_other_: i64, }
+}
+
+#[derive(Educe, Eq)]
+#[educe(Clone, Debug, Hash, Default, PartialEq, PartialOrd, Ord)]
+pub struct NameClashes {
+    source: i16, v_source_: i16,
+    f: i8, v_formatter_: i8,
+    builder: i32, v_builder_: i32,
+    state: i32, v_state_: i32,
+    other: i64, v_other_: i64,
+}
+
+#[derive(Educe)]
+#[educe(Debug(unsafe), Hash(unsafe), PartialEq(unsafe), Default)]
+pub union NameClashesUnion {
+    source: i16, v_source_: i16,
+    f: i8, v_formatter_: i8,
+    builder: i32, v_builder_: i32,
+    state: i32, v_state_: i32,
+    other: i64, v_other_: i64,
+    #[educe(Default)]
+    def: (),
+}