From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/inference/cannot-infer-closure-circular.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 src/test/ui/inference/cannot-infer-closure-circular.rs (limited to 'src/test/ui/inference/cannot-infer-closure-circular.rs') diff --git a/src/test/ui/inference/cannot-infer-closure-circular.rs b/src/test/ui/inference/cannot-infer-closure-circular.rs new file mode 100644 index 000000000..affb48149 --- /dev/null +++ b/src/test/ui/inference/cannot-infer-closure-circular.rs @@ -0,0 +1,13 @@ +fn main() { + // Below we call the closure with its own return as the argument, unifying + // its inferred input and return types. We want to make sure that the generated + // error handles this gracefully, and in particular doesn't generate an extra + // note about the `?` operator in the closure body, which isn't relevant to + // the inference. + let x = |r| { //~ ERROR type annotations needed for `Result<(), E>` + let v = r?; + Ok(v) + }; + + let _ = x(x(Ok(()))); +} -- cgit v1.2.3