Enum Reader 

pub enum Reader<'a> {
    Value(Box<dyn Read>),
    Ref(&'a mut dyn Read),
}

a helper wrapper enum that is used for storing the input stream this allows for it to be passed by value OR reference

Variants

Value(Box<dyn Read>)

used when passing in the input stream by value

Ref(&'a mut dyn Read)

used when passing in the input stream as a mutable reference

Trait Implementations

impl<'a> Deref for Reader<'a>

type Target = dyn Read + 'a

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<'a> DerefMut for Reader<'a>

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.