diff options
Diffstat (limited to 'src/core/smallvec_type.hpp')
| -rw-r--r-- | src/core/smallvec_type.hpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/core/smallvec_type.hpp b/src/core/smallvec_type.hpp index ccf8dbaec..62de176a5 100644 --- a/src/core/smallvec_type.hpp +++ b/src/core/smallvec_type.hpp @@ -145,6 +145,20 @@ public: } /** + * Set the size of the vector, effectively truncating items from the end or appending uninitialised ones. + * @param num_items Target size. + */ + inline void Resize(uint num_items) + { + this->items = num_items; + + if (this->items > this->capacity) { + this->capacity = Align(this->items, S); + this->data = ReallocT(this->data, this->capacity); + } + } + + /** * Search for the first occurrence of an item. * The '!=' operator of T is used for comparison. * @param item Item to search for @@ -213,6 +227,21 @@ public: } /** + * Remove items from the vector while preserving the order of other items. + * @param pos First item to remove. + * @param count Number of consecutive items to remove. + */ + void ErasePreservingOrder(uint pos, uint count = 1) + { + if (count == 0) return; + assert(pos < this->items); + assert(pos + count <= this->items); + this->items -= count; + uint to_move = this->items - pos; + if (to_move > 0) MemMoveT(this->data + pos, this->data + pos + count, to_move); + } + + /** * Tests whether a item is present in the vector, and appends it to the end if not. * The '!=' operator of T is used for comparison. * @param item Item to test for |