lean4-htt/Lake/Util/Task.lean
2021-11-30 11:56:35 -05:00

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/-
Copyright (c) 2021 Mac Malone. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Mac Malone
-/
namespace Lake
instance : Monad Task where
map := Task.map
pure := Task.pure
bind := Task.bind
abbrev ETask ε := ExceptT ε Task
abbrev OptionTask := OptionT Task
def BaseIOTask := Task
instance : Monad BaseIOTask := inferInstanceAs <| Monad Task
abbrev EIOTask ε := ExceptT ε BaseIOTask
abbrev OptionIOTask := OptionT BaseIOTask