0.18.0
- Added native map spread/update syntax: { [k] = v; ..tail } and { ..tail }.
- Removed map support from @; append is now list-only.
- Updated Map stdlib internals to use spread syntax.
- Added parser/type/eval tests for map spread and map-append rejection.
- Updated docs and types-showcase sample to reflect the new map update style.
Full Changelog: 0.17.0...0.18.0