adds implementation of `scale` constraint - Githubissues

amazon-ion / ion-schema-rust

Rust implementation of Ion Schema

https://amazon-ion.github.io/ion-schema/sandbox

Apache License 2.0

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adds implementation of `scale` constraint #84

Closed desaikd closed 2 years ago

desaikd commented 2 years ago

Issue #9 #10

Description of changes: This PR works on adding implementation of scale constraint.

Grammar:

<SCALE> ::= scale: <INT>
              | scale: <RANGE<INT>>

Ion Schema specification: https://amzn.github.io/ion-schema/docs/spec.html#scale

List of changes:

adds changes in range construction to check for annotation range.
adds Scale enum variants for IslConstraint and Constraint
adds ScaleConstraint implementations
adds validation logic for scale constraint

Tests: added unit tests for scale implementation.

adds tests for programmatically creating scale constraint
adds tests for loading a schema using scale constraint
adds validation tests for scale constraint