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Extern crate grammar #144

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Oct 16, 2017
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Extern crate grammar #144

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6 changes: 6 additions & 0 deletions src/items/extern-crates.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
# Extern crate declarations

> **<sup>Syntax:<sup>**
> _ExternCrate_ :
> &nbsp;&nbsp; `extern` `crate` [IDENTIFIER]&nbsp;(`as` [IDENTIFIER])<sup>?</sup> `;`

An _`extern crate` declaration_ specifies a dependency on an external crate.
The external crate is then bound into the declaring scope as the `ident`
provided in the `extern_crate_decl`.
Expand Down Expand Up @@ -35,3 +39,5 @@ extern crate hello_world; // hyphen replaced with an underscore
```

[RFC 940]: https://github.com/rust-lang/rfcs/blob/master/text/0940-hyphens-considered-harmful.md

[IDENTIFIER]: identifiers.html