Enum Accessor 

pub enum Accessor {
    Key(String),
    Index(usize),
    Predicate(Predicate),
}

One step in a path.

Variants

Key(String)

Address a map key. Drives map coercion.

Index(usize)

Address an array index. Drives array coercion.

Predicate(Predicate)

Select matching children. Branches the update across every match.

Implementations

impl Accessor

pub fn key(k: impl Into<String>) -> Accessor

Build a key accessor from anything string-like.

pub fn index(i: usize) -> Accessor

Build an index accessor.

pub fn predicate<F>(f: F) -> Accessor

where F: Fn(&Value, &Selector) -> bool + 'static,

Build a predicate accessor from a closure.

Trait Implementations

impl Debug for Accessor

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

Formats the value using the given formatter.