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Typedefs | |
| typedef struct MR_std_pair_double_int | MR_std_pair_double_int |
| typedef struct MR_std_vector_std_pair_double_int | MR_std_vector_std_pair_double_int |
| typedef struct MR_std_vector_std_pair_double_int_const_iterator | MR_std_vector_std_pair_double_int_const_iterator |
| typedef struct MR_std_vector_std_pair_double_int_iterator | MR_std_vector_std_pair_double_int_iterator |
| typedef struct MR_std_pair_double_int MR_std_pair_double_int |
Generated from C++ container std::vector<std::pair<double, int>>. Supported MR_PassBy modes: MR_PassBy_DefaultConstruct, MR_PassBy_Copy, MR_PassBy_Move (and MR_PassBy_DefaultArgument and MR_PassBy_NoObject if supported by the callee).
| typedef struct MR_std_vector_std_pair_double_int_const_iterator MR_std_vector_std_pair_double_int_const_iterator |
Read-only iterator for MR_std_vector_std_pair_double_int. Supported MR_PassBy modes: MR_PassBy_DefaultConstruct, MR_PassBy_Copy, MR_PassBy_Move (and MR_PassBy_DefaultArgument and MR_PassBy_NoObject if supported by the callee).
| typedef struct MR_std_vector_std_pair_double_int_iterator MR_std_vector_std_pair_double_int_iterator |
Mutable iterator for MR_std_vector_std_pair_double_int. Supported MR_PassBy modes: MR_PassBy_DefaultConstruct, MR_PassBy_Copy, MR_PassBy_Move (and MR_PassBy_DefaultArgument and MR_PassBy_NoObject if supported by the callee).
| MRC_API void MR_std_vector_std_pair_double_int_AssignFromAnother | ( | MR_std_vector_std_pair_double_int * | _this, |
| MR_PassBy | other_pass_by, | ||
| MR_std_vector_std_pair_double_int * | other ) |
Assigns the contents from another instance. Both objects remain alive after the call. Parameter _this can not be null. It is a single object. The reference to the parameter other might be preserved in this object. When this function is called, this object will drop any object references it had previously.
| MRC_API const MR_std_pair_double_int * MR_std_vector_std_pair_double_int_At | ( | const MR_std_vector_std_pair_double_int * | _this, |
| size_t | i ) |
The element at a specific index, read-only. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.
| MRC_API const MR_std_pair_double_int * MR_std_vector_std_pair_double_int_Back | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
The last element or null if empty, read-only. Parameter _this can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_Begin | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
The begin iterator, const. Parameter _this can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_const_iterator_Destroy() to free it when you're done using it.
| MRC_API size_t MR_std_vector_std_pair_double_int_Capacity | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
The memory capacity, measued in the number of elements. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_Clear | ( | MR_std_vector_std_pair_double_int * | _this | ) |
Removes all elements from the container. Parameter _this can not be null. It is a single object. When this function is called, this object will drop any object references it had previously.
| MRC_API void MR_std_vector_std_pair_double_int_const_iterator_AssignFromAnother | ( | MR_std_vector_std_pair_double_int_const_iterator * | _this, |
| const MR_std_vector_std_pair_double_int_const_iterator * | other ) |
Assigns the contents from another instance. Both objects remain alive after the call. Parameter _this can not be null. It is a single object. Parameter other can not be null. It is a single object. The reference to the parameter other might be preserved in this object. When this function is called, this object will drop any object references it had previously.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_const_iterator_ConstructFromAnother | ( | const MR_std_vector_std_pair_double_int_const_iterator * | other | ) |
Constructs a copy of another instance. The source remains alive. Parameter other can not be null. It is a single object. The reference to the parameter other might be preserved in the constructed object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_const_iterator_Destroy() to free it when you're done using it. When this function is called, this object will drop any object references it had previously.
| MRC_API void MR_std_vector_std_pair_double_int_const_iterator_Decr | ( | MR_std_vector_std_pair_double_int_const_iterator * | _this | ) |
Decrements a const iterator. Parameter _this can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_const_iterator_DefaultConstruct | ( | void | ) |
Constructs an empty (default-constructed) instance. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_const_iterator_Destroy() to free it when you're done using it.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_const_iterator_DefaultConstructArray | ( | size_t | num_elems | ) |
Constructs an array of empty (default-constructed) instances, of the specified size. Will never return null. The array must be destroyed using MR_std_vector_std_pair_double_int_const_iterator_DestroyArray(). Use MR_std_vector_std_pair_double_int_const_iterator_OffsetMutablePtr() and MR_std_vector_std_pair_double_int_const_iterator_OffsetPtr() to access the array elements.
| MRC_API const MR_std_pair_double_int * MR_std_vector_std_pair_double_int_const_iterator_Deref | ( | const MR_std_vector_std_pair_double_int_const_iterator * | _this | ) |
Dereferences a const iterator. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.
| MRC_API void MR_std_vector_std_pair_double_int_const_iterator_Destroy | ( | const MR_std_vector_std_pair_double_int_const_iterator * | _this | ) |
Destroys a heap-allocated instance of MR_std_vector_std_pair_double_int_const_iterator. Does nothing if the pointer is null.
| MRC_API void MR_std_vector_std_pair_double_int_const_iterator_DestroyArray | ( | const MR_std_vector_std_pair_double_int_const_iterator * | _this | ) |
Destroys a heap-allocated array of MR_std_vector_std_pair_double_int_const_iterator. Does nothing if the pointer is null.
| MRC_API ptrdiff_t MR_std_vector_std_pair_double_int_const_iterator_Distance | ( | const MR_std_vector_std_pair_double_int_const_iterator * | a, |
| const MR_std_vector_std_pair_double_int_const_iterator * | b ) |
Computes the signed difference between two const iterators. Completes in constant time. Parameter a can not be null. It is a single object. Parameter b can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_const_iterator_FromMutable | ( | const MR_std_vector_std_pair_double_int_iterator * | iter | ) |
Makes a const iterator from a mutable one. Parameter iter can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_const_iterator_Destroy() to free it when you're done using it.
| MRC_API void MR_std_vector_std_pair_double_int_const_iterator_Incr | ( | MR_std_vector_std_pair_double_int_const_iterator * | _this | ) |
Increments a const iterator. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_const_iterator_OffsetBy | ( | MR_std_vector_std_pair_double_int_const_iterator * | _this, |
| ptrdiff_t | delta ) |
Increments or decrements a const iterator by the specific amount. Completes in constant time. Parameter _this can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_const_iterator_OffsetMutablePtr | ( | MR_std_vector_std_pair_double_int_const_iterator * | ptr, |
| ptrdiff_t | i ) |
Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element. The reference to the parameter ptr might be preserved in the return value.
| MRC_API const MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_const_iterator_OffsetPtr | ( | const MR_std_vector_std_pair_double_int_const_iterator * | ptr, |
| ptrdiff_t | i ) |
Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element. The reference to the parameter ptr might be preserved in the return value.
| MRC_API MR_std_vector_std_pair_double_int * MR_std_vector_std_pair_double_int_ConstructFromAnother | ( | MR_PassBy | other_pass_by, |
| MR_std_vector_std_pair_double_int * | other ) |
Constructs a copy of another instance. The source remains alive. The reference to the parameter other might be preserved in the constructed object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_Destroy() to free it when you're done using it. When this function is called, this object will drop any object references it had previously.
| MRC_API MR_std_vector_std_pair_double_int * MR_std_vector_std_pair_double_int_DefaultConstruct | ( | void | ) |
Constructs an empty (default-constructed) instance. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_Destroy() to free it when you're done using it.
| MRC_API MR_std_vector_std_pair_double_int * MR_std_vector_std_pair_double_int_DefaultConstructArray | ( | size_t | num_elems | ) |
Constructs an array of empty (default-constructed) instances, of the specified size. Will never return null. The array must be destroyed using MR_std_vector_std_pair_double_int_DestroyArray(). Use MR_std_vector_std_pair_double_int_OffsetMutablePtr() and MR_std_vector_std_pair_double_int_OffsetPtr() to access the array elements.
| MRC_API void MR_std_vector_std_pair_double_int_Destroy | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
Destroys a heap-allocated instance of MR_std_vector_std_pair_double_int. Does nothing if the pointer is null.
| MRC_API void MR_std_vector_std_pair_double_int_DestroyArray | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
Destroys a heap-allocated array of MR_std_vector_std_pair_double_int. Does nothing if the pointer is null.
| MRC_API MR_std_vector_std_pair_double_int_const_iterator * MR_std_vector_std_pair_double_int_End | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
The end iterator, const. Parameter _this can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_const_iterator_Destroy() to free it when you're done using it.
| MRC_API void MR_std_vector_std_pair_double_int_Erase | ( | MR_std_vector_std_pair_double_int * | _this, |
| size_t | position ) |
Erases the element at the specified position. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_EraseAtIter | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_const_iterator * | position ) |
Erases the element at the specified position. This version takes the position in form of a const iterator, that's the only difference. Parameter _this can not be null. It is a single object. Parameter position can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_EraseAtMutableIter | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_iterator * | position ) |
Erases the element at the specified position. Parameter _this can not be null. It is a single object. Parameter position can not be null. It is a single object.
| MRC_API const MR_std_pair_double_int * MR_std_vector_std_pair_double_int_Front | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
The first element or null if empty, read-only. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_Insert | ( | MR_std_vector_std_pair_double_int * | _this, |
| size_t | position, | ||
| const MR_std_pair_double_int * | new_elem ) |
Inserts a new element right before the specified position. Parameter _this can not be null. It is a single object. Parameter new_elem can not be null. It is a single object. The reference to the parameter new_elem might be preserved in this object.
| MRC_API void MR_std_vector_std_pair_double_int_InsertAtIter | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_const_iterator * | position, | ||
| const MR_std_pair_double_int * | new_elem ) |
Inserts a new element right before the specified position. This version takes the position in form of a const iterator, that's the only difference. Parameter _this can not be null. It is a single object. Parameter position can not be null. It is a single object. Parameter new_elem can not be null. It is a single object. The reference to the parameter new_elem might be preserved in this object.
| MRC_API void MR_std_vector_std_pair_double_int_InsertAtMutableIter | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_iterator * | position, | ||
| const MR_std_pair_double_int * | new_elem ) |
Inserts a new element right before the specified position. Parameter _this can not be null. It is a single object. Parameter position can not be null. It is a single object. Parameter new_elem can not be null. It is a single object. The reference to the parameter new_elem might be preserved in this object.
| MRC_API bool MR_std_vector_std_pair_double_int_IsBegin | ( | const MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_const_iterator * | iter ) |
Tests whether a const iterator is the begin iterator. Parameter _this can not be null. It is a single object. Parameter iter can not be null. It is a single object.
| MRC_API bool MR_std_vector_std_pair_double_int_IsEmpty | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
Returns true if the size is zero. Parameter _this can not be null. It is a single object.
| MRC_API bool MR_std_vector_std_pair_double_int_IsEnd | ( | const MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_const_iterator * | iter ) |
Tests whether a const iterator is the end iterator. Parameter _this can not be null. It is a single object. Parameter iter can not be null. It is a single object.
| MRC_API bool MR_std_vector_std_pair_double_int_IsMutableBegin | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_iterator * | iter ) |
Tests whether a mutable iterator is the begin iterator. Parameter _this can not be null. It is a single object. Parameter iter can not be null. It is a single object.
| MRC_API bool MR_std_vector_std_pair_double_int_IsMutableEnd | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_iterator * | iter ) |
Tests whether a mutable iterator is the end iterator. Parameter _this can not be null. It is a single object. Parameter iter can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_iterator_AssignFromAnother | ( | MR_std_vector_std_pair_double_int_iterator * | _this, |
| const MR_std_vector_std_pair_double_int_iterator * | other ) |
Assigns the contents from another instance. Both objects remain alive after the call. Parameter _this can not be null. It is a single object. Parameter other can not be null. It is a single object. The reference to the parameter other might be preserved in this object. When this function is called, this object will drop any object references it had previously.
| MRC_API MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_iterator_ConstructFromAnother | ( | const MR_std_vector_std_pair_double_int_iterator * | other | ) |
Constructs a copy of another instance. The source remains alive. Parameter other can not be null. It is a single object. The reference to the parameter other might be preserved in the constructed object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_iterator_Destroy() to free it when you're done using it. When this function is called, this object will drop any object references it had previously.
| MRC_API void MR_std_vector_std_pair_double_int_iterator_Decr | ( | MR_std_vector_std_pair_double_int_iterator * | _this | ) |
Decrements a mutable iterator. Parameter _this can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_iterator_DefaultConstruct | ( | void | ) |
Constructs an empty (default-constructed) instance. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_iterator_Destroy() to free it when you're done using it.
| MRC_API MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_iterator_DefaultConstructArray | ( | size_t | num_elems | ) |
Constructs an array of empty (default-constructed) instances, of the specified size. Will never return null. The array must be destroyed using MR_std_vector_std_pair_double_int_iterator_DestroyArray(). Use MR_std_vector_std_pair_double_int_iterator_OffsetMutablePtr() and MR_std_vector_std_pair_double_int_iterator_OffsetPtr() to access the array elements.
| MRC_API MR_std_pair_double_int * MR_std_vector_std_pair_double_int_iterator_Deref | ( | const MR_std_vector_std_pair_double_int_iterator * | _this | ) |
Dereferences a mutable iterator. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.
| MRC_API void MR_std_vector_std_pair_double_int_iterator_Destroy | ( | const MR_std_vector_std_pair_double_int_iterator * | _this | ) |
Destroys a heap-allocated instance of MR_std_vector_std_pair_double_int_iterator. Does nothing if the pointer is null.
| MRC_API void MR_std_vector_std_pair_double_int_iterator_DestroyArray | ( | const MR_std_vector_std_pair_double_int_iterator * | _this | ) |
Destroys a heap-allocated array of MR_std_vector_std_pair_double_int_iterator. Does nothing if the pointer is null.
| MRC_API ptrdiff_t MR_std_vector_std_pair_double_int_iterator_Distance | ( | const MR_std_vector_std_pair_double_int_iterator * | a, |
| const MR_std_vector_std_pair_double_int_iterator * | b ) |
Computes the signed difference between two mutable iterators. Completes in constant time. Parameter a can not be null. It is a single object. Parameter b can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_iterator_Incr | ( | MR_std_vector_std_pair_double_int_iterator * | _this | ) |
Increments a mutable iterator. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_iterator_OffsetBy | ( | MR_std_vector_std_pair_double_int_iterator * | _this, |
| ptrdiff_t | delta ) |
Increments or decrements a mutable iterator by the specific amount. Completes in constant time. Parameter _this can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_iterator_OffsetMutablePtr | ( | MR_std_vector_std_pair_double_int_iterator * | ptr, |
| ptrdiff_t | i ) |
Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element. The reference to the parameter ptr might be preserved in the return value.
| MRC_API const MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_iterator_OffsetPtr | ( | const MR_std_vector_std_pair_double_int_iterator * | ptr, |
| ptrdiff_t | i ) |
Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element. The reference to the parameter ptr might be preserved in the return value.
| MRC_API MR_std_pair_double_int * MR_std_vector_std_pair_double_int_MutableAt | ( | MR_std_vector_std_pair_double_int * | _this, |
| size_t | i ) |
The element at a specific index, mutable. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.
| MRC_API MR_std_pair_double_int * MR_std_vector_std_pair_double_int_MutableBack | ( | MR_std_vector_std_pair_double_int * | _this | ) |
The last element or null if empty, mutable. Parameter _this can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_MutableBegin | ( | MR_std_vector_std_pair_double_int * | _this | ) |
The begin iterator, mutable. Parameter _this can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_iterator_Destroy() to free it when you're done using it.
| MRC_API MR_std_vector_std_pair_double_int_iterator * MR_std_vector_std_pair_double_int_MutableEnd | ( | MR_std_vector_std_pair_double_int * | _this | ) |
The end iterator, mutable. Parameter _this can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_std_vector_std_pair_double_int_iterator_Destroy() to free it when you're done using it.
| MRC_API MR_std_pair_double_int * MR_std_vector_std_pair_double_int_MutableFront | ( | MR_std_vector_std_pair_double_int * | _this | ) |
The first element or null if empty, mutable. Parameter _this can not be null. It is a single object.
| MRC_API ptrdiff_t MR_std_vector_std_pair_double_int_MutableToIndex | ( | const MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_iterator * | iter ) |
Convert a mutable iterator to an index. Parameter _this can not be null. It is a single object. Parameter iter can not be null. It is a single object.
| MRC_API MR_std_vector_std_pair_double_int * MR_std_vector_std_pair_double_int_OffsetMutablePtr | ( | MR_std_vector_std_pair_double_int * | ptr, |
| ptrdiff_t | i ) |
Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element. The reference to the parameter ptr might be preserved in the return value.
| MRC_API const MR_std_vector_std_pair_double_int * MR_std_vector_std_pair_double_int_OffsetPtr | ( | const MR_std_vector_std_pair_double_int * | ptr, |
| ptrdiff_t | i ) |
Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element. The reference to the parameter ptr might be preserved in the return value.
| MRC_API void MR_std_vector_std_pair_double_int_PopBack | ( | MR_std_vector_std_pair_double_int * | _this | ) |
Removes one element from the end. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_PushBack | ( | MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_pair_double_int * | new_elem ) |
Inserts a new element at the end. Parameter _this can not be null. It is a single object. Parameter new_elem can not be null. It is a single object. The reference to the parameter new_elem might be preserved in this object.
| MRC_API void MR_std_vector_std_pair_double_int_Reserve | ( | MR_std_vector_std_pair_double_int * | _this, |
| size_t | new_capacity ) |
Reserves memory for a certain number of elements. Never shrinks the memory. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_Resize | ( | MR_std_vector_std_pair_double_int * | _this, |
| size_t | new_size ) |
Resizes the container. The new elements if any are zeroed. Parameter _this can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_ResizeWithDefaultValue | ( | MR_std_vector_std_pair_double_int * | _this, |
| size_t | new_size, | ||
| const MR_std_pair_double_int * | value ) |
Resizes the container. The new elements if any are set to the specified value. Parameter _this can not be null. It is a single object. Parameter value can not be null. It is a single object.
| MRC_API void MR_std_vector_std_pair_double_int_ShrinkToFit | ( | MR_std_vector_std_pair_double_int * | _this | ) |
Shrinks the capacity to match the size. Parameter _this can not be null. It is a single object.
| MRC_API size_t MR_std_vector_std_pair_double_int_Size | ( | const MR_std_vector_std_pair_double_int * | _this | ) |
The number of elements. Parameter _this can not be null. It is a single object.
| MRC_API ptrdiff_t MR_std_vector_std_pair_double_int_ToIndex | ( | const MR_std_vector_std_pair_double_int * | _this, |
| const MR_std_vector_std_pair_double_int_const_iterator * | iter ) |
Convert a const iterator to an index. Parameter _this can not be null. It is a single object. Parameter iter can not be null. It is a single object.