Returns a negative number if a comes before b, 0 if they are equal, and a positive number if a comes after b.
The a and b iterators must point into the same sequence.
a #GSequenceIter
a negative number if a comes before b, 0 if they are equal, and a positive number if a comes after b
Returns a negative number if a comes before b, 0 if they are equal, and a positive number if a comes after b.
The a and b iterators must point into the same sequence.