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/unsized/box-instead-of-dyn-fn.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/test/ui/unsized/box-instead-of-dyn-fn.rs (limited to 'src/test/ui/unsized/box-instead-of-dyn-fn.rs') diff --git a/src/test/ui/unsized/box-instead-of-dyn-fn.rs b/src/test/ui/unsized/box-instead-of-dyn-fn.rs new file mode 100644 index 000000000..2fa741bc1 --- /dev/null +++ b/src/test/ui/unsized/box-instead-of-dyn-fn.rs @@ -0,0 +1,15 @@ +use std::fmt::Debug; + +// Test to suggest boxing the return type, and the closure branch of the `if` + +fn print_on_or_the_other<'a>(a: i32, b: &'a String) -> dyn Fn() + 'a { + //~^ ERROR return type cannot have an unboxed trait object + if a % 2 == 0 { + move || println!("{a}") + } else { + Box::new(move || println!("{}", b)) + //~^ ERROR `if` and `else` have incompatible types + } +} + +fn main() {} -- cgit v1.2.3