I think it could be an edition thing though... just say Rust 2019 will not allow `Command::before_exec`. By turning on edition 2019 you've accepted the new brakages that it imposes on you, and this is one of them.
Never mind the fact that the function is still a symbol in the STD library.
I understand if this is too much complier magic, though it seems like the correct idea to me anyway.
Am I missing something?
P.S. symbol version pinning seems like a great idea, I've even dreamt of having exposed syntax for it, e.g. `Foo::<i32>::bar@v1.3.2(arg1, arg2)`.
It is not possible to have the standard library be different for different editions; it must be the same in all of them. There’s no #[cfg(edition=“”)] construct.
Can't there be a # [deprecate(untiledition=2018)] to solve this? The standard library contains all the old stuff but it becomes inaccessible in all editions after 2018.
Never mind the fact that the function is still a symbol in the STD library.
I understand if this is too much complier magic, though it seems like the correct idea to me anyway.
Am I missing something?
P.S. symbol version pinning seems like a great idea, I've even dreamt of having exposed syntax for it, e.g. `Foo::<i32>::bar@v1.3.2(arg1, arg2)`.