Question about const?

azqkmo

statement.
Is this the definition?
extern const int&ri = a

azqkmo

a typo
Is this the definition?
extern const int&ri = a

leonim

Declare it

superandy

In C ++, there is an important difference between declarations and definitions: declarations can be repeated multiple times, and definitions can only be made once.
So if you write the code twice, you can compile and pass the declaration, but not the definition.

jrrain

Master upstairs

ctw_2001

Of course it's a statement

sevenbox

statement

kuo123456

err said upstairs that there is such a const variable in some place, it will be found when linking
You can report errors when compiling

jiang24jian

Hehe learning