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Size 
intervals 
interval 
interval 
element 
element 


O(1) 
O(n) 
O(n) 
O(1) 
O(1) 

O(1) 
O(n) 
O(n) 
O(1) 
O(1) 

O(1) 
O(n) 
O(n) 




O(1) 
O(1) 
O(1) 
O(1) 


O(1) 
O(1) 


For icl containers the single size
function known from std containers
branches into tree to five different members functions. The table above shows
the types, size
functions
are implemented for, together with their complexities.
Linear complexities O(n) refer to the container's iterative_size
:
n = y.iterative_size()
The next table gives a short definition for the different size functions.
Size 
Types 
Description 


The number of intervals of an interval container. 


The number of objects in an icl container that can be iterated over. 


The length of an interval or the sum of lengths of an interval container's
intervals, that's 


The number of elements of an interval or a container. For continuous data types cardinality can be infinite. 


The number of elements of an interval or a container, which is also
it's 
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