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When extern is necessary.
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Paul
Jan 8, 2017, 9:40:15 AM1/8/17
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In the expression:
extern std::ostream& storeOn(std::ostream&, Screen&);
from the 5th edition of C++ Primer,
is "extern" necessary or redundant? Isn't this declaration extern anyway
by default?
Thanks,
Paul
extern std::ostream& storeOn(std::ostream&, Screen&);
from the 5th edition of C++ Primer,
is "extern" necessary or redundant? Isn't this declaration extern anyway
by default?
Thanks,
Paul
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