Struct StringPool

pub struct StringPool {
    small_strings: VecDeque<String>,
    large_strings: VecDeque<String>,
    max_size: usize,
}

字符串池，重用字符串对象

Fields

small_strings: VecDeque<String>

小字符串池 (<=64字符)

large_strings: VecDeque<String>

大字符串池 (>64字符)

max_size: usize

最大池大小

Implementations

impl StringPool

pub fn new(max_size: usize) -> Self

创建新的字符串池

pub fn acquire(&mut self, initial_capacity: usize) -> String

获取字符串（从池中取出或创建新的）

pub fn release(&mut self, string: String)

释放字符串回池中

pub fn cleanup(&mut self)

清理池，释放过多的内存

pub fn stats(&self) -> PoolStats

获取池状态信息