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docs: add wildcard syntax in use for modules

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Garrett Heel 2015-01-25 12:57:45 +10:00
parent 4e4e8cff16
commit 98c46c30ed
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src/doc/trpl/crates-and-modules.md
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@ -551,6 +551,10 @@ module, we now have a `phrases::japanese::hello()` function and a
`phrases::japanese::farewells::goodbye()`. Our internal organization doesn't
define our external interface.
Here we have a `pub use` for each function we want to bring into the
`japanese` scope. We could alternatively use the wildcard syntax to include
everything from `greetings` into the current scope: `pub use self::greetings::*`.
Also, note that we `pub use`d before we declared our `mod`s. Rust requires that
`use` declarations go first.