Struct ColumnTicks 

pub struct ColumnTicks {
    pub changed: Tick,
    pub added: Tick,
    pub bulk: Tick,
    pub structural: Tick,
}

The tick stamps a column keeps. changed is the maximum over every kind of write and drives whole-column change detection. added marks the last appended row. bulk marks the last whole-column mutable access, after which every row must be assumed written. structural marks the last row add or removal, after which row positions and membership have moved. A consumer that tracks rows individually reads bulk and structural to decide whether the per-row stamps alone still describe what changed.

Fields

changed: Tick

Maximum over every kind of write.

added: Tick

Last appended row.

bulk: Tick

Last whole-column mutable access.

structural: Tick

Last row add or removal.

Trait Implementations

impl Clone for ColumnTicks

fn clone(&self) -> ColumnTicks

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ColumnTicks

impl Debug for ColumnTicks

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

Formats the value using the given formatter.

impl Default for ColumnTicks

fn default() -> ColumnTicks

Returns the “default value” for a type.

impl Eq for ColumnTicks

impl PartialEq for ColumnTicks

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ColumnTicks