1 files changed, 19 insertions, 0 deletions
diff --git a/vendor/darling/examples/expr_with.rs b/vendor/darling/examples/expr_with.rs
new file mode 100644
index 000000000..037ce2521
--- /dev/null
+++ b/vendor/darling/examples/expr_with.rs
@@ -0,0 +1,19 @@
+use darling::{util::parse_expr, FromDeriveInput};
+use syn::{parse_quote, Expr};
+
+#[derive(FromDeriveInput)]
+#[darling(attributes(demo))]
+pub struct Receiver {
+    #[darling(with = parse_expr::preserve_str_literal, map = Some)]
+    example1: Option<Expr>,
+}
+
+fn main() {
+    let input = Receiver::from_derive_input(&parse_quote! {
+        #[demo(example1 = test::path)]
+        struct Example;
+    })
+    .unwrap();
+
+    assert_eq!(input.example1, Some(parse_quote!(test::path)));
+}