plum

feat(lang): remove type/class entirely, enum is the only declaration form

feat(number): add Number enum, migrate Int/Float methods, fix Float interpolation

refactor(stdlib): move libs/std to top-level plum-std, gate Int/Float/Str imports

feat(plum): make Bool an ordinary import-gated enum, no hardcoded prelude

refactor(libs/std): rename files to match their primary class name

feat(plum): add generic Array[T] primitive, rewrite Map as a real hash table

feat(plum): remove expect, unify on assert, Spock-style test tree output

feat(plum): named enum variant fields, self-methods on enums/classes, inline match formatting

feat(plum): trait conformance checking, Stringable->ToStr, finish str.plum

feat(plum): class init() constructors, bare-variant enum sugar, match guards

fix(plum-checker): substitute a generic method's own extra generics in its body; ship Map.map

test(libs/std): add Map test coverage; document two new compiler gaps found attempting Map.map

improvements

feat(libs/std): migrate remaining stdlib methods off <Receiver> syntax

feat(libs/std,examples,test): migrate to `fun`-prefixed function syntax

feat(libs/std): migrate stdlib generics to bracket syntax

fix

some changes

new rules

improve syntax

new syntax