[interop] Add support for Intersection types#451

Merged

nikeokoronkwo merged 6 commits intodart-lang:mainfrom

nikeokoronkwo:interop/intersection

Sep 5, 2025

Commits on Aug 22, 2025

wip: intersection types
nikeokoronkwo
committed

Commits on Sep 4, 2025

Commits on Sep 5, 2025

fixed issues and added support for unioning `undefined`
nikechukwu
committed
added test case for `& undefined`
nikechukwu
committed