Enum Trans 

pub enum Trans<D> {
    Push(BoxState<D>),
    Pop,
    Replace(BoxState<D>),
    Isolate(BoxState<D>),
    Quit,
    None,
}

A transition between States.

See the crates docs or the book for more information.

Generics

• D: Data available to all States to perform actions to.

Variants

Push(BoxState<D>)

Pushes a new state above the current one. Effectively pauses the current state until everything above it is popped.

Pop

Pops the current state from the stack.

Replace(BoxState<D>)

Pops and pushes a new state. Effectively replaces the current state with a new one.

Isolate(BoxState<D>)

Pops every state from the stack and pushes a new one. Effectively isolates it as the only state on the stack.

Quit

Pops everything from the stack. Effectively ends the state stack machine.

None

Does nothing to the stack. Effectively keeps the current state and the stack the way it is.