Examples
Find a runnable example by API or concept. Each example has executable source, isolated state, reset behavior, and an optional runtime trace.
For Forms, progress from the typed profile form, through stable repeated contact rows, to the form save workflow. Together they cover the basic change/submit loop, keyed structural edits, and persistence concurrency.
Matching examples
User input
Stable repeated contact rows
Caller-provided row keys preserve contact identity while typed form operations add, remove, and reorder rows.