Enum substack::Substack

pub enum Substack<'a, T> {
    Frame(Stackframe<'a, T>),
    Bottom,
}

A FILO stack that lives on the regular call stack as a linked list.

Variants

Frame(Stackframe<'a, T>)

A level in the linked list

Bottom

The end of the list

Implementations

impl<'a, T> Substack<'a, T>

pub fn opt(&'a self) -> Option<&'a Stackframe<'a, T>>

Convert the substack into an option of stackframe

pub fn iter(&self) -> SubstackIterator<'_, T>

Construct an iterator starting from the top and moving down the stack

pub fn push(&'a self, item: T) -> Self

Add the item to this substack

pub fn new_frame(&'a self, item: T) -> Stackframe<'a, T>

Create a new frame on top of this substack

pub fn pop(&'a self, count: usize) -> &'a Self

obtain the previous stackframe if one exists.

Panics

if the index is greater than the number of stack frames

pub fn len(&self) -> usize

number of stackframes

pub fn is_empty(&self) -> bool

is this the bottom of the stack

pub fn value(&self) -> Option<&T>

Get a reference to the value held in this stackframe

pub fn unreverse(&self) -> Vec<T>

where T: Clone,

Clones the elements into a vector starting at the bottom of the stack

Trait Implementations

impl<'a, T: Clone> Clone for Substack<'a, T>

fn clone(&self) -> Substack<'a, T>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a, T: Debug> Debug for Substack<'a, T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a, T: Copy> Copy for Substack<'a, T>