From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/generic-associated-types/issue-93342.rs | 55 ++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 tests/ui/generic-associated-types/issue-93342.rs (limited to 'tests/ui/generic-associated-types/issue-93342.rs') diff --git a/tests/ui/generic-associated-types/issue-93342.rs b/tests/ui/generic-associated-types/issue-93342.rs new file mode 100644 index 000000000..d4422d5d1 --- /dev/null +++ b/tests/ui/generic-associated-types/issue-93342.rs @@ -0,0 +1,55 @@ +// check-pass + +use std::marker::PhantomData; + +pub trait Scalar: 'static { + type RefType<'a>: ScalarRef<'a>; +} + +pub trait ScalarRef<'a>: 'a {} + +impl Scalar for i32 { + type RefType<'a> = i32; +} + +impl Scalar for String { + type RefType<'a> = &'a str; +} + +impl Scalar for bool { + type RefType<'a> = i32; +} + +impl<'a> ScalarRef<'a> for bool {} + +impl<'a> ScalarRef<'a> for i32 {} + +impl<'a> ScalarRef<'a> for &'a str {} + +fn str_contains(a: &str, b: &str) -> bool { + a.contains(b) +} + +pub struct BinaryExpression +where + F: Fn(A::RefType<'_>, B::RefType<'_>) -> O, +{ + f: F, + _phantom: PhantomData<(A, B, O)>, +} + +impl BinaryExpression +where + F: Fn(A::RefType<'_>, B::RefType<'_>) -> O, +{ + pub fn new(f: F) -> Self { + Self { + f, + _phantom: PhantomData, + } + } +} + +fn main() { + BinaryExpression::::new(str_contains); +} -- cgit v1.2.3