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Fix confusing sentence in tutorial.

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Marijn Haverbeke 2011-11-02 19:03:33 +01:00
parent eef9a0bd39
commit eed782c778
1 changed files with 6 additions and 5 deletions
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11
doc/tutorial/syntax.md
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@ -109,11 +109,12 @@ constants can be defined with `const`:
## Types
The `-> bool` in the last example is the way a function's return type
is written. For functions that do not return a meaningful value (these
conceptually return nil in Rust), you can optionally say `-> ()` (`()`
is how nil is written), but usually the return annotation is simply
left off, as in the `fn main() { ... }` examples we've seen earlier.
The `-> bool` in the `is_four` example is the way a function's return
type is written. For functions that do not return a meaningful value
(these conceptually return nil in Rust), you can optionally say `->
()` (`()` is how nil is written), but usually the return annotation is
simply left off, as in the `fn main() { ... }` examples we've seen
earlier.
Every argument to a function must have its type declared (for example,
`x: int`). Inside the function, type inference will be able to