std::basic_string::empty - cppreference.com
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Verifica se a string não tem caracteres, ou seja, se begin() == end().
Original:
Checks if the string has no characters, i.e. whether begin() == end().
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Parâmetros
(Nenhum)
Original:
(none)
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Valor de retorno
true se a cadeia estiver vazia, false contrário
Original:
true if the string is empty, false otherwise
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Complexidade
Constante
Original:
Constant
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