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mention dash-to-underscore behavior

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Alex Burka 2015-09-05 16:42:46 -04:00
parent 2cebf3666a
commit a506b7c532
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4
src/doc/trpl/crates-and-modules.md
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@ -263,6 +263,10 @@ the `phrases` crate. We can then use `phrases`’ modules in this one. As we
mentioned earlier, you can use double colons to refer to sub-modules and the
functions inside of them.
(Note: when importing a crate that has dashes in its name "like-this", which is
not a valid Rust identifier, it will be converted by changing the dashes to
underscores, so you would write `extern crate like_this;`.)
Also, Cargo assumes that `src/main.rs` is the crate root of a binary crate,
rather than a library crate. Our package now has two crates: `src/lib.rs` and
`src/main.rs`. This pattern is quite common for executable crates: most