Enum Element

pub enum Element<'a> {
    Group(GroupKind, Vec<SpannedElement<'a>>),
    Atom(Atom<'a>),
    Comment(&'a str),
}

Element of S-Expr

Variants

Group(GroupKind, Vec<SpannedElement<'a>>)

Atom(Atom<'a>)

Comment(&'a str)

Implementations

impl<'a> Element<'a>

pub fn atom(&self) -> Option<&Atom<'a>>

Return the atom if the element is an atom, otherwise None

pub fn group(&self, grp: GroupKind) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a group of the right type, otherwise None

pub fn paren(&self) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a paren group, otherwise None

pub fn bracket(&self) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a bracket group, otherwise None

pub fn brace(&self) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a brace group, otherwise None

Trait Implementations

impl<'a> Clone for Element<'a>

fn clone(&self) -> Element<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Element<'a>

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

Formats the value using the given formatter.