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Submoduleでextern crateしないほうが良さそう #51

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yajamon opened this issue Mar 2, 2018 · 0 comments

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yajamon commented Mar 2, 2018

Extern crate in every module, or only once per crate? - The Rust Programming Language Forum
https://users.rust-lang.org/t/extern-crate-in-every-module-or-only-once-per-crate/1787

submoduleでexternすることは、下記のようなことらしい。

mod mymod {
    extern crate lib;
    use self::lib::foo;
}

yajamon self-assigned this

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