Struct VecPool

pub struct VecPool<T> {
    pools: Vec<VecDeque<Vec<T>>>,
    max_size_per_pool: usize,
}

向量池，重用Vec对象

Fields

pools: Vec<VecDeque<Vec<T>>>

max_size_per_pool: usize

Implementations

impl<T> VecPool<T>

pub fn new(max_size_per_pool: usize) -> Self

创建新的向量池

pub fn acquire(&mut self, initial_capacity: usize) -> Vec<T>

获取向量

pub fn release(&mut self, vec: Vec<T>)

释放向量回池中

fn capacity_to_pool_index(&self, capacity: usize) -> usize

将容量映射到池索引

pub fn cleanup(&mut self)

清理所有池