    -- Copyright 2022 United States Government as represented by the Administrator
    -- of the National Aeronautics and Space Administration. All Rights Reserved.
    --
    -- Disclaimers
    --
    -- Licensed under the Apache License, Version 2.0 (the "License"); you may
    -- not use this file except in compliance with the License. You may obtain a
    -- copy of the License at
    --
    --      https://www.apache.org/licenses/LICENSE-2.0
    --
    -- Unless required by applicable law or agreed to in writing, software
    -- distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    -- WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    -- License for the specific language governing permissions and limitations
    -- under the License.
    --
    -- | Types to encapsulate information useful for error reporting.
    module Command.Errors
        ( ErrorTriplet(..)
        , ErrorCode
        )
      where

    import Data.Location (Location)

    -- | A triplet containing error information.
    data ErrorTriplet = ErrorTriplet ErrorCode String Location

    -- | Encoding of reasons why the command can fail.
    type ErrorCode = Int