contained_core

Trait TryInsert

Source 
pub trait TryInsert<Idx, V> {
    type Error;

    // Required method
    fn try_insert<Output>(
        &mut self,
        key: Idx,
        elem: V,
    ) -> Result<Output, Self::Error>;
}

Required Associated Types§

Source

type Error

Required Methods§

Source

fn try_insert<Output>( &mut self, key: Idx, elem: V, ) -> Result<Output, Self::Error>

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.

Implementors§