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rfc-2361-dbg-macro
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dbg-macro-requires-debug.rs
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// Test ensuring that `dbg!(expr)` requires the passed type to implement `Debug`.
struct
NotDebug
;
fn
main
()
{
let
_
:
NotDebug
=
dbg
!(
NotDebug
);
//~ ERROR `NotDebug` doesn't implement `std::fmt::Debug`
}