Enum calc::ast::HistoryIndexKind

pub enum HistoryIndexKind {
    Relative,
    Absolute,
}

What kind of history lookup is desired.

Absolute history lookups begin at 0 and increment. Relative history lookups count backwards from the current expression.

Variants

Relative

Absolute

Trait Implementations

impl Clone for HistoryIndexKind

fn clone(&self) -> HistoryIndexKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for HistoryIndexKind

impl Debug for HistoryIndexKind

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

Formats the value using the given formatter.

impl Eq for HistoryIndexKind

impl PartialEq<HistoryIndexKind> for HistoryIndexKind

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for HistoryIndexKind

impl StructuralPartialEq for HistoryIndexKind