Struct ArenaCheckpoint 

pub struct ArenaCheckpoint {
    pub watermark: usize,
}

A savepoint that can be used to roll back an arena to a prior state.

Fields

watermark: usize

The watermark position at checkpoint time.

Implementations

impl ArenaCheckpoint

pub fn create(arena: &LinearArena) -> Self

Creates a checkpoint at the current position in arena.

pub fn restore(self, arena: &mut LinearArena)

Rolls back arena to this checkpoint.