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![]() lub: don't bail out due to empty binders allows for the following to compile. The equivalent code using `struct Wrapper<'upper>(fn(&'upper ());` already compiles on stable. ```rust let _: fn(&'upper ()) = match v { true => lt_in_fn::<'a>(), false => lt_in_fn::<'b>(), }; ``` see https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=7034a677190110941223cafac6632f70 for a complete example r? ```@rust-lang/types``` |
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