
How to concatenate two strings in C++? - Stack Overflow
Oct 22, 2018 · There is a strcat () function from the ported C library that will do "C style string" concatenation for you. BTW even though C++ has a bunch of functions to deal with C-style …
Efficient string concatenation in C++ - Stack Overflow
139 I heard a few people expressing worries about "+" operator in std::string and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the …
How do I concatenate multiple C++ strings on one line?
string s = new String(); s += "Hello world, " + myInt + niceToSeeYouString; s += someChar1 + interestingDecimal + someChar2; What would be the equivalent in C++? As far as I can see, …
c++ - String concatenation - Stack Overflow
Aug 29, 2010 · In C++, string literals (stuff between quotes) are interpreted as const char[] s. You can concatenate a string with a const char[] (and vice-versa) because the + operator is …
c++ - const char* concatenation - Stack Overflow
Jan 3, 2010 · I need to concatenate two const chars like these: const char *one = "Hello "; const char *two = "World"; How might I go about doing that? I am passed these char*s from a third …
Most optimized way of concatenation in strings - Stack Overflow
Now using std::string is still faster, and the append is still the fastest way of concatenation, but ostringstream is no more so incredibly terrible like it was before.
How to concatenate a std::string and an int - Stack Overflow
Oct 10, 2008 · The operator returns a std::string, so wouldn't be a candidate in expressions where a string isn't convertible into the needed type. E.g., this operator+ isn't eligible to be used for + …
C++ String Concatenation operator<< - Stack Overflow
4 nametext is an std::string but these do not have the stream insertion operator (<<) like output streams do. To concatenate strings you can use the append member function (or its …
C/C++ macro string concatenation - Stack Overflow
Mar 10, 2011 · 151 You don't need that sort of solution for string literals, since they are concatenated at the language level, and it wouldn't work anyway because "s""1" isn't a valid …
c++ - String concatenation using preprocessor - Stack Overflow
Dec 15, 2014 · Concatenation of adjacent string litterals isn't a feature of the preprocessor, it is a feature of the core languages (both C and C++). You could write: