What does += do?

[mancigol]

I know that for example iA++ is iA = iA + 1, but what does += do?

[whitenite1]

@mancigol

but what does += do?

That just means, iA = iA + whatever the variable value is.

[TheIdeasMan]

Hi,

There are a number of them, in this link near the end there is a list of all the common operators:

http://en.cppreference.com/w/cpp/language/operator_assignment

[guatemala007]

x += y is equivalent to x = x + y