See zio.stm.ZSTM *>
See zio.stm.ZSTM <*
See <*> zio.stm.STM <*>
See zio.stm.ZSTM >>=
See zio.stm.ZSTM#map
Switch from effect F to effect G.
See zio.stm.STM.unit
See zio.stm.STM.unit
Same as filter
See zio.stm.ZSTM#zip
See zio.stm.ZSTM