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book: improve a bit of grammar in Method Syntax chapeter

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Tshepang Lekhonkhobe 2015-03-30 07:10:09 +02:00
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6
src/doc/trpl/method-syntax.md
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@ -50,9 +50,9 @@ parameter, of which there are three variants: `self`, `&self`, and `&mut self`.
You can think of this first parameter as being the `x` in `x.foo()`. The three
variants correspond to the three kinds of thing `x` could be: `self` if it's
just a value on the stack, `&self` if it's a reference, and `&mut self` if it's
a mutable reference. We should default to using `&self`, as it's the most
common, as Rustaceans prefer borrowing over taking ownership, and references
over mutable references. Here's an example of all three variants:
a mutable reference. We should default to using `&self`, as you should prefer
borrowing over taking ownership, as well as taking immutable references
over mutable ones. Here's an example of all three variants:
```rust
struct Circle {