typo

Option: remove useless type parameter in getLeft, getRight

bump version

version 2.10.4

StateReaderTaskEither: `traverseArrayWithIndex` does not pass the out…

…put state from each step to the subsequent step, fix gcanti#1486

version 2.10.2

version 2.10.1

version 2.10

Polish: fix `FromEither` type parameter order

rename `object` module to `struct`