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Operator-assignment expressions -> Compound assignment expressions. #3158

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Merged
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Aug 9, 2012
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Operator-assignment expressions -> Compound assignment expressions. #3158

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4 changes: 3 additions & 1 deletion doc/rust.md
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Expand Up @@ -1927,13 +1927,15 @@ x <- copy y;

The former is just more terse and familiar.

#### Operator-assignment expressions
#### Compound assignment expressions

The `+`, `-`, `*`, `/`, `%`, `&`, `|`, `^`, `<<`, `>>`, and `>>>`
operators may be composed with the `=` operator. The expression `lval
OP= val` is equivalent to `lval = lval OP val`. For example, `x = x +
1` may be written as `x += 1`.

Any such expression always has the [`nil`](#primitive-types) type.

#### Operator precedence

The precedence of Rust binary operators is ordered as follows, going
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