Trait Merge 

pub trait Merge<Other> {
    type Out;
}

Folds one setting of two declarations into one; a setting set by both has no fold.

Required Associated Types

type Out

The setting the two declare together.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<Other> Merge<Other> for Unset

type Out = Other

impl<Value> Merge<Unset> for Set<Value>

type Out = Set<Value>