Enum LookupKey 

pub enum LookupKey {
    Wildcard,
    Name(String),
    Integer(i64),
    Expr(Box<Expr>),
}

The key selector of an XPath 3.1 lookup expression (?K).

Variants

Wildcard

?* — all values of the map / all members of the array.

Name(String)

?name — the entry whose key is the string name.

Integer(i64)

?123 — integer key (map) or 1-based position (array).

Expr(Box<Expr>)

?(expr) — the key(s) computed by the parenthesised expression.

Trait Implementations

impl Clone for LookupKey

fn clone(&self) -> LookupKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LookupKey

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

Formats the value using the given formatter.