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/box/thin_align.rs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/test/ui/box/thin_align.rs (limited to 'src/test/ui/box/thin_align.rs') diff --git a/src/test/ui/box/thin_align.rs b/src/test/ui/box/thin_align.rs new file mode 100644 index 000000000..3c61d0090 --- /dev/null +++ b/src/test/ui/box/thin_align.rs @@ -0,0 +1,26 @@ +#![feature(thin_box)] +// run-pass +use std::boxed::ThinBox; +use std::error::Error; +use std::ops::Deref; +use std::fmt; + +fn main() { + let expected = "Foo error!"; + let a: ThinBox = ThinBox::new_unsize(Foo(expected)); + let a = a.deref(); + let msg = a.to_string(); + assert_eq!(expected, msg); +} + +#[derive(Debug)] +#[repr(align(1024))] +struct Foo(&'static str); + +impl fmt::Display for Foo { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!(f, "{}", self.0) + } +} + +impl Error for Foo {} -- cgit v1.2.3