From 631cd5845e8de329d0e227aaa707d7ea228b8f8f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:20:29 +0200 Subject: Merging upstream version 1.70.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/fmt/format-args-argument-span.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 tests/ui/fmt/format-args-argument-span.rs (limited to 'tests/ui/fmt/format-args-argument-span.rs') diff --git a/tests/ui/fmt/format-args-argument-span.rs b/tests/ui/fmt/format-args-argument-span.rs new file mode 100644 index 000000000..c7acb08f8 --- /dev/null +++ b/tests/ui/fmt/format-args-argument-span.rs @@ -0,0 +1,22 @@ +// check-compile + +struct DisplayOnly; + +impl std::fmt::Display for DisplayOnly { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + unimplemented!() + } +} + +fn main() { + let x = Some(1); + println!("{x:?} {x} {x:?}"); + //~^ ERROR: `Option<{integer}>` doesn't implement `std::fmt::Display` + println!("{x:?} {x} {x:?}", x = Some(1)); + //~^ ERROR: `Option<{integer}>` doesn't implement `std::fmt::Display` + let x = DisplayOnly; + println!("{x} {x:?} {x}"); + //~^ ERROR: `DisplayOnly` doesn't implement `Debug` + println!("{x} {x:?} {x}", x = DisplayOnly); + //~^ ERROR: `DisplayOnly` doesn't implement `Debug` +} -- cgit v1.2.3