duckling/Duckling/Distance/Rules.hs
Julien Odent bf89e34365 Relicense to BSD3
Reviewed By: JoelMarcey

Differential Revision: D15439223

fbshipit-source-id: c5af3cb06318748142fe503945b38beffadfc28a
2019-05-22 10:46:39 -07:00

41 lines
897 B
Haskell

-- Copyright (c) 2016-present, Facebook, Inc.
-- All rights reserved.
--
-- This source code is licensed under the BSD-style license found in the
-- LICENSE file in the root directory of this source tree.
{-# LANGUAGE GADTs #-}
{-# LANGUAGE OverloadedStrings #-}
module Duckling.Distance.Rules
( rules
) where
import Data.String
import Prelude
import Duckling.Dimensions.Types
import Duckling.Distance.Helpers
import Duckling.Numeral.Types (NumeralData (..))
import Duckling.Types
import qualified Duckling.Numeral.Types as TNumeral
ruleNumeralAsDistance :: Rule
ruleNumeralAsDistance = Rule
{ name = "number as distance"
, pattern =
[ dimension Numeral
]
, prod = \tokens -> case tokens of
(Token Numeral NumeralData {TNumeral.value = v}:_) ->
Just . Token Distance $ distance v
_ -> Nothing
}
rules :: [Rule]
rules =
[ ruleNumeralAsDistance
]