Struct Checkpoint 

pub struct Checkpoint { /* private fields */ }

A checkpoint of the builder state.

Captures the lengths of the internal buffer, the pointer stack, and the container-starts stack. Checkpoints allow rolling back the builder to a previously recorded state (see rollback_to).

Trait Implementations

impl Clone for Checkpoint

fn clone(&self) -> Checkpoint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Checkpoint

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

Formats the value using the given formatter.