Enum yarpl::Done

pub enum Done {
    Terminal {
        name: &'static str,
        matched_string: String,
    },
    Nonterminal {
        name: &'static str,
        children: Vec<Rc<Self>>,
    },
    Empty(),
}

Concrete syntax tree formed from a parsing function.

Variants

Terminal

A leaf node - holds the match from the original string as well as it's name.

Fields of Terminal

name: &'static strmatched_string: String

Nonterminal

A nonterminal node that has a name and branches.

Fields of Nonterminal

name: &'static strchildren: Vec<Rc<Self>>

Empty()

An empty node - holds nothing.

Implementations

impl Done

pub fn name(&self) -> Option<&'static str>

Returns this name.

pub fn children(&self) -> Option<Vec<Rc<Done>>>

Returns children of this Done if it has any.

pub fn matched_string(&self) -> Option<String>

Returns the matched string of this Done if it has one.

pub fn is_terminal(&self) -> bool

Returns whether this is a terminal node.

pub fn is_nonterminal(&self) -> bool

Returns whether this is a nonterminal node.

pub fn is_empty(&self) -> bool

Returns whether this is an empty node.

pub fn rename(&mut self, new_name: &'static str)

Trait Implementations

impl Clone for Done

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Done

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

Formats the value using the given formatter.

impl Display for Done

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

Formats the value using the given formatter.