// Foo.cpp
int whatScopeAmI = 0;
Foo::Foo() {
// source code
}
What scope does the variable whatScopeAmI have?
// Foo.cpp int whatScopeAmI = 0; Foo::Foo() { // source code } What scope
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// Foo.cpp
int whatScopeAmI = 0;
Foo::Foo() {
// source code
}
What scope does the variable whatScopeAmI have?
It’s a global, available everywhere in the program.
If a different translation unit had a
extern int whatScopeAmI;declaration, it would refer to the same variable.If the variable was declared as
static int whatScopeAmI = 0;it would have internal linkeage, and would be available only in the current translation unit.