mirror of
https://github.com/adambard/learnxinyminutes-docs.git
synced 2024-11-22 21:52:31 +03:00
Reassignment to reference doesn't cause error
This commit is contained in:
parent
e1610bf1a9
commit
bf493c07ed
@ -238,7 +238,10 @@ string& fooRef = foo; // This creates a reference to foo.
|
||||
fooRef += ". Hi!"; // Modifies foo through the reference
|
||||
cout << fooRef; // Prints "I am foo. Hi!"
|
||||
|
||||
fooRef = bar; // Error: references cannot be reassigned.
|
||||
// Doesn't reassign "fooRef". This is the same as "foo = bar", and
|
||||
// foo == "I am bar"
|
||||
// after this line.
|
||||
fooRef = bar;
|
||||
|
||||
const string& barRef = bar; // Create a const reference to bar.
|
||||
// Like C, const values (and pointers and references) cannot be modified.
|
||||
|
Loading…
Reference in New Issue
Block a user