?? scope.cpp
字號:
//: C03:Scope.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// How variables are scoped
int main() {
int scp1;
// scp1 visible here
{
// scp1 still visible here
//.....
int scp2;
// scp2 visible here
//.....
{
// scp1 & scp2 still visible here
//..
int scp3;
// scp1, scp2 & scp3 visible here
// ...
} // <-- scp3 destroyed here
// scp3 not available here
// scp1 & scp2 still visible here
// ...
} // <-- scp2 destroyed here
// scp3 & scp2 not available here
// scp1 still visible here
//..
} // <-- scp1 destroyed here
///:~
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