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tests/ui/traits/fmt-pointer-trait.rs: Add HRTB fn pointer case #150082

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tests/ui/traits/fmt-pointer-trait.rs: Add HRTB fn pointer case #150082

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7 changes: 7 additions & 0 deletions tests/ui/traits/fmt-pointer-trait.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,11 @@ use std::ptr;
use std::rc::Rc;
use std::sync::Arc;

/// Regression test for <https://github.com/rust-lang/rust/issues/50280#issuecomment-626035934>
fn show(a: fn () -> f32, b: fn (&Vec<i8>)->f32) {
println!("the two pointers: {:p} {:p}", a, b);
}

fn main() {
let p: *const u8 = ptr::null();
let rc = Rc::new(1usize);
Expand All @@ -21,4 +26,6 @@ fn main() {
}
assert_eq!(format!("{:p}", p),
"0x0");

show(|| 1.0, |_| 2.0);
}
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