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11.26: Return type is a reference #37

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xjay73 opened this issue Jul 11, 2021 · 0 comments
Open

11.26: Return type is a reference #37

xjay73 opened this issue Jul 11, 2021 · 0 comments

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@xjay73
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xjay73 commented Jul 11, 2021

The return type from the subscript operator is not mapped_type. It is mapped_type&, which is what allows an expression like ++word_count[word] to increment the mapped value of the element within the map instead of only incrementing a temporary copy of it.
@xjay73 xjay73 changed the title 11.26: Return type is a incorrect 11.26: Return type is a reference Jul 11, 2021
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