wrappers

Overview

Use wrappers to adapt schema behavior: optional, nullable, default, transform, pipeline. Use them to encode lifecycle decisions explicitly: missing values, null handling, fallback values, and conversion/validation stages. Do not over-wrap fields when a plain schema is enough; excessive wrappers can hide intent and reduce debuggability.

Method Index

Type-specific methods

• default
• transform
• pipeline

Shared auxiliaries

• default
• nullable
• optional
• pipeline
• transform