You get that *on top of* do notation, with no additional syntax required for exa...

		tome 7 months ago \| parent \| context \| favorite \| on: Lens: Lenses, Folds and Traversals You get that on top of do notation, with no additional syntax required for example `IORef` or Bluefin's `State`: https://www.stackage.org/haddock/lts-23.27/base-4.19.2.0/Dat... https://hackage-content.haskell.org/package/bluefin-0.0.16.0...