pub trait NeedleIter: Needle {
    // Provided method
    fn is_match_in<'a, I, S>(&self, haystacks: &mut I) -> bool
       where I: Iterator<Item = S>,
             S: Into<&'a str> { ... }
}Provided Methods§
fn is_match_in<'a, I, S>(&self, haystacks: &mut I) -> bool
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.