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First

Trait First 

Source
pub trait First {
    type ReturnOperand;

    // Required method
    fn first(&self) -> Self::ReturnOperand;
}

Required Associated Types§

Required Methods§

Source

fn first(&self) -> Self::ReturnOperand

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§