diff options
| -rw-r--r-- | FL/Fl_Int_Vector.H | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/FL/Fl_Int_Vector.H b/FL/Fl_Int_Vector.H index 9a2cd45f9..af1b77423 100644 --- a/FL/Fl_Int_Vector.H +++ b/FL/Fl_Int_Vector.H @@ -42,6 +42,9 @@ v.push_back(22); // add second element v.push_back(33); // add third element + // Assignment by subscript + v[1] = 222; // changes 2nd element from 22 to 222 + // Loop through printing the values for ( unsigned int i=0; i<v.size(); i++ ) printf("%d ", v[i]); // access the elements @@ -56,7 +59,6 @@ - Add other std::vector methods like erase(), etc. - Make memory blocking size flexible, and add related methods like capacity(), reserve(), shrink_to_fit(), etc. - Add non-std methods that are nevertheless needed, e.g. insert(index,val), delete(index), delete(start, end), swap(a_idx,b_idx) - - Add a way to change the elements by index, e.g. v[2] = 222; (which is currently NOT supported) */ class FL_EXPORT Fl_Int_Vector { int *arr_; @@ -107,6 +109,10 @@ public: /** Access the specified integer element at index position \p x as a reference. + + This allows assignment by index through the returned reference, e.g. arr[1] = 222; + where arr[1] ends up being a reference to ptr[1], and then 222 is assigned to that ref. + \warning No range checking is done on \p x, which must be less than size(). */ int &operator[](int x) { |