Enum SourceChange 

pub enum SourceChange {
    Add(OwnedRow),
    Remove(OwnedRow),
    Edit {
        row: OwnedRow,
        old: OwnedRow,
    },
}

A change applied at the source (before fan-out to connections). Mirrors the SourceChange tagged tuple (source.ts): Add/Remove carry one row, Edit carries the new row and the old row it replaces.

Variants

Add(OwnedRow)

Remove(OwnedRow)

Edit

Fields

row: OwnedRow

old: OwnedRow

Implementations

impl SourceChange

pub fn row(&self) -> &OwnedRow

The “primary” row of the change (the new row for an edit). For existence asserts an Edit checks old, handled separately (source_common::gen_push).

Trait Implementations

impl Clone for SourceChange

fn clone(&self) -> SourceChange

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SourceChange

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

Formats the value using the given formatter.