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Document that parentheses are required for chained comparison operators (RFC 0). #41

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Apr 17, 2017
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Document that parentheses are required for chained comparison operators (RFC 0). #41

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Document that parentheses are required for chained comparison
ekse Apr 17, 2017
0a55590
Removed outer parentheses in the example.
ekse Apr 17, 2017
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3 changes: 3 additions & 0 deletions src/expressions.md
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Expand Up @@ -436,6 +436,9 @@ operators on standard types is given here.
: Greater than or equal.
Calls the `ge` method on the `std::cmp::PartialOrd` trait.

Parentheses are required when chaining comparison operators. For example, the
expression `a == b == c` is invalid and may be written as `(a == b) == c`.

### Type cast expressions

A type cast expression is denoted with the binary operator `as`.
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