Enum Tree 

pub enum Tree {
    Leaf(Filter),
    And(Vec<Tree>),
    Or(Vec<Tree>),
    Cut(Box<Tree>),
}

Nested query condition.

Variants

Leaf(Filter)

A single leaf filter.

And(Vec<Tree>)

All branches must hold.

Or(Vec<Tree>)

At least one branch must hold.

Cut(Box<Tree>)

Negation of the wrapped branch.

Trait Implementations

impl Clone for Tree

fn clone(&self) -> Tree

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Tree

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

Formats the value using the given formatter.

impl PartialEq for Tree

fn eq(&self, other: &Tree) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Tree