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fix module wording in guide #16653

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Aug 22, 2014
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fix module wording in guide #16653

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8 changes: 5 additions & 3 deletions src/doc/guide.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2884,9 +2884,11 @@ pub fn print_hello() {
}
```

When we include a module like this, we don't need to make the `mod` declaration,
it's just understood. This helps prevent 'rightward drift': when you end up
indenting so many times that your code is hard to read.
When we include a module like this, we don't need to make the `mod` declaration
in `hello.rs`, because it's already been declared in `lib.rs`. `hello.rs` just
contains the body of the module which is defined (by the `pub mod hello`) in
`lib.rs`. This helps prevent 'rightward drift': when you end up indenting so
many times that your code is hard to read.

Finally, make a new directory, `src/goodbye`, and make a new file in it,
`src/goodbye/mod.rs`:
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