Support primitives as memoization key for `createTransformer`
Support primitives as memoization key for `createTransformer`
andykog/mobservable,andykog/mobx,andykog/mobx,andykog/mobservable,mweststrate/MOBservable,mobxjs/mobx,mobxjs/mobx,mobxjs/mobx,mobxjs/mobx,mweststrate/MOBservable,mweststrate/MOBservable