std::string text{"The sign is "};
char sign{'+'}
text.append(0, sign);
// literals
std::string("The letters are ").append(1, 'a');
Concatenate char and string (22 August, 2021)
...das minhas cousas
std::string text{"The sign is "};
char sign{'+'}
text.append(0, sign);
// literals
std::string("The letters are ").append(1, 'a');