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author | Geoff Liu <cangming.liu@gmail.com> | 2014-12-01 21:39:49 -0700 |
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committer | Geoff Liu <cangming.liu@gmail.com> | 2014-12-01 21:42:16 -0700 |
commit | bf493c07ed519cc3d41198a0720a5919f67f3ff0 (patch) | |
tree | 73340e4c1ec531ce8ab3e68e1234d331d6d166eb | |
parent | e1610bf1a93550740072832cff1c647b0869a993 (diff) |
Reassignment to reference doesn't cause error
-rw-r--r-- | c++.html.markdown | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/c++.html.markdown b/c++.html.markdown index 9f357b08..5f80f26f 100644 --- a/c++.html.markdown +++ b/c++.html.markdown @@ -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. |