Category: containers | Component type: concept |
X | A type that is a model of Multiple Sorted Associative Container |
a | Object of type X |
t | Object of type X::value_type |
k | Object of type X::key_type |
p, q | Object of type X::iterator |
c | Object of type X::key_compare |
Name | Expression | Type requirements | Return type |
---|---|---|---|
Range constructor |
X(i, j) X a(i, j); |
i and j are Input Iterators whose value type is convertible to T [1]. | X |
Range constructor with compare |
X(i, j, c) X a(i, j, c); |
i and j are Input Iterators whose value type is convertible to T [1]. c is an object of type key_compare. | X |
Insert with hint | a.insert(p, t) | iterator | |
Insert range | a.insert(i, j) | i and j are Input Iterators whose value type is convertible to X::value_type. [1] | void |
Name | Expression | Precondition | Semantics | Postcondition |
---|---|---|---|---|
Range constructor |
X(i, j) X a(i, j); |
[i,j) is a valid range. | Creates an associative container that contains all of the elements in the range [i,j). The comparison object used by the container is key_compare(). | size() is equal to the distance from i to j. |
Range constructor with compare |
X(i, j, c) X a(i, j, c); |
[i,j) is a valid range. | Creates an associative container that contains all of the elements in the range [i,j). The comparison object used by the container is c. | size() is equal to the distance from i to j. |
Insert with hint | a.insert(p, t) | p is a nonsingular iterator in a. | Inserts t into a. The argument p is a hint: it points to the location where the search will begin. The return value is a dereferenceable iterator that points to the element that was just inserted. | a contains an element whose key is the same as that of t. The size of a is incremented by 1. |
Insert range | a.insert(i, j) | [i, j) is a valid range. | Equivalent to a.insert(t) for each object t that is pointed to by an iterator in the range [i, j). Each element is inserted into a. | The size of a is incremented by j - i. |
Insert with hint is logarithmic in general, but it is amortized constant time if t is inserted immediately before p.
Insert range is in general O(N * log(N)), where N is the size of the range. However, it is linear in N if the range is already sorted by value_comp().
[1] At present (early 1998), not all compilers support "member templates". If your compiler supports member templates then i and j may be of any type that conforms to the Input Iterator requirements. If your compiler does not yet support member templates, however, then i and j must be of type const T* or of type X::const_iterator.
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