Vendor things

third-party/vendor/swc_common/tests/attr_interop.rs

@@ -0,0 +1,38 @@
+//! Test that `#[span]` and `#[fold]` can be used at same time.
+use serde::{self, Deserialize, Serialize};
+use swc_common::{self, ast_node, Span, Spanned};
+
+#[ast_node("Class")]
+// See https://github.com/rust-lang/rust/issues/44925
+pub struct Class {
+    #[span]
+    pub has_span: HasSpan,
+    pub s: String,
+}
+
+#[ast_node("Tuple")]
+pub struct Tuple(#[span] HasSpan, usize, usize);
+
+#[derive(Debug, Clone, PartialEq, Eq, Spanned, Serialize, Deserialize)]
+#[cfg_attr(
+    any(feature = "rkyv-impl"),
+    derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)
+)]
+#[cfg_attr(
+    any(feature = "rkyv-impl"),
+    archive(bound(serialize = "__S: rkyv::ser::Serializer + rkyv::ser::ScratchSpace"))
+)]
+#[cfg_attr(feature = "rkyv-impl", archive(check_bytes))]
+#[cfg_attr(feature = "rkyv-impl", archive_attr(repr(C)))]
+pub struct HasSpan {
+    #[cfg_attr(feature = "__rkyv", omit_bounds)]
+    pub span: Span,
+}
+
+#[ast_node]
+pub enum Node {
+    #[tag("Class")]
+    Class(Class),
+    #[tag("Tuple")]
+    Tuple(Tuple),
+}