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-rw-r--r--tests/ui/traits/new-solver/try-example.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/try-example.rs b/tests/ui/traits/new-solver/try-example.rs
new file mode 100644
index 000000000..e826f3a00
--- /dev/null
+++ b/tests/ui/traits/new-solver/try-example.rs
@@ -0,0 +1,28 @@
+// check-pass
+// compile-flags: -Ztrait-solver=next
+
+use std::error::Error;
+
+fn main() -> Result<(), Box<dyn Error>> {
+ let x: i32 = parse()?;
+ Ok(())
+}
+
+trait Parse {}
+
+impl Parse for i32 {}
+
+#[derive(Debug)]
+struct ParseError;
+
+impl std::fmt::Display for ParseError {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ write!(f, "ParseError")
+ }
+}
+
+impl Error for ParseError {}
+
+fn parse<T: Parse>() -> Result<T, ParseError> {
+ todo!()
+}