# SWAP

> Compare-and-swap on the writer's own span · refuses an overlap with its diff

Record: `pag:keyword-coordination-swap`
Kind: keyword
Canonical: https://banes-lab.com/ontology/grammar#pag-keyword-coordination-swap

Listed in [Grammar records](https://banes-lab.com/api/records/pag.md), after [BARRIER](https://banes-lab.com/records/pag/keyword-coordination-barrier.md) and before [STATE_MACHINE](https://banes-lab.com/records/pag/keyword-state-machine-state-machine.md).

## Grounds

- [substrate-node:constraint](https://banes-lab.com/records/reasoning/substrate-node-constraint.md)