# Strict Fragile Parsers

> Parsers that reject any input deviating from an exact expectation, breaking on benign additions.

Record: `lex:strict-fragile-parsers`
Kind: anti-pattern
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-strict-fragile-parsers

## category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lex-category/contracts-interfaces-compatibility.md)

## referenced-by

- [Forward Compatibility](https://banes-lab.com/records/arch/forward-compatibility.md)