tmp/tmpo6_rgfb8/{from.md → to.md}
RENAMED
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@@ -4,30 +4,28 @@
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shall be a non-static member function with exactly one parameter. It
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implements the subscripting syntax
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``` bnf
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postfix-expression '['
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```
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-
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or
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-
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``` bnf
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postfix-expression '[' braced-init-list ']'
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```
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Thus, a subscripting expression `x[y]` is interpreted as
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`x.operator[](y)` for a class object `x` of type `T` if
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`T::operator[](T1)` exists and if the operator is selected as the best
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match function by the overload resolution mechanism (
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[[over.match.best]]).
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``` cpp
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struct X {
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Z operator[](std::initializer_list<int>);
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};
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X x;
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x[{1,2,3}] = 7; // OK: meaning x.operator[]({1,2,3\)}
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int a[10];
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a[{1,2,3}] = 7; // error: built-in subscript operator
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```
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shall be a non-static member function with exactly one parameter. It
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implements the subscripting syntax
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``` bnf
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postfix-expression '[' expr-or-braced-init-list ']'
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```
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Thus, a subscripting expression `x[y]` is interpreted as
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`x.operator[](y)` for a class object `x` of type `T` if
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`T::operator[](T1)` exists and if the operator is selected as the best
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match function by the overload resolution mechanism (
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[[over.match.best]]).
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[*Example 1*:
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+
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``` cpp
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struct X {
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Z operator[](std::initializer_list<int>);
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};
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X x;
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x[{1,2,3}] = 7; // OK: meaning x.operator[]({1,2,3\)}
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int a[10];
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a[{1,2,3}] = 7; // error: built-in subscript operator
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```
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+
— *end example*]
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+
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