wat is an expression

closed account (i2v7M4Gy)
"#include<iostream> is not a regular code lines with expressions"wat is an expression in this case.
Of course its not a regular code line with expression. Its a preprocessor directive.

see - http://www.cplusplus.com/doc/tutorial/preprocessor.html
be more specific as to what you are asking, if that was an error message it was probably because theres no space between #include and <iostream>

an expression is when one variable is given in terms of another or other numbers, just as in maths.
ie: var1 = var2+var3
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There is no need for spaces between #include and <iostream>. Spaces are for neater programs!
oh, okay
im not sure. i never got an error because no space between them!
Spaces don't matter:
# include <iostream>
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