Trait StrPattern 

pub trait StrPattern {
    // Required method
    fn find_in(&self, haystack: &str) -> Option<(usize, usize)>;
}

自定义 Pattern trait，用于支持 char 和 &str 作为分隔符 实现零成本抽象，编译时单态化

Required Methods

fn find_in(&self, haystack: &str) -> Option<(usize, usize)>

在字符串中查找模式，返回匹配位置和模式长度

Implementations on Foreign Types

impl StrPattern for &str

fn find_in(&self, haystack: &str) -> Option<(usize, usize)>

impl StrPattern for &String

fn find_in(&self, haystack: &str) -> Option<(usize, usize)>

impl StrPattern for char

fn find_in(&self, haystack: &str) -> Option<(usize, usize)>

impl StrPattern for String

fn find_in(&self, haystack: &str) -> Option<(usize, usize)>

Implementors