{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.CloudFront.Types.TagKeys
-- Copyright   : (c) 2013-2021 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.CloudFront.Types.TagKeys where

import qualified Amazonka.Core as Core
import qualified Amazonka.Lens as Lens
import qualified Amazonka.Prelude as Prelude

-- | A complex type that contains zero or more @Tag@ elements.
--
-- /See:/ 'newTagKeys' smart constructor.
data TagKeys = TagKeys'
  { -- | A complex type that contains @Tag@ key elements.
    TagKeys -> Maybe [Text]
items :: Prelude.Maybe [Prelude.Text]
  }
  deriving (TagKeys -> TagKeys -> Bool
(TagKeys -> TagKeys -> Bool)
-> (TagKeys -> TagKeys -> Bool) -> Eq TagKeys
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: TagKeys -> TagKeys -> Bool
$c/= :: TagKeys -> TagKeys -> Bool
== :: TagKeys -> TagKeys -> Bool
$c== :: TagKeys -> TagKeys -> Bool
Prelude.Eq, ReadPrec [TagKeys]
ReadPrec TagKeys
Int -> ReadS TagKeys
ReadS [TagKeys]
(Int -> ReadS TagKeys)
-> ReadS [TagKeys]
-> ReadPrec TagKeys
-> ReadPrec [TagKeys]
-> Read TagKeys
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [TagKeys]
$creadListPrec :: ReadPrec [TagKeys]
readPrec :: ReadPrec TagKeys
$creadPrec :: ReadPrec TagKeys
readList :: ReadS [TagKeys]
$creadList :: ReadS [TagKeys]
readsPrec :: Int -> ReadS TagKeys
$creadsPrec :: Int -> ReadS TagKeys
Prelude.Read, Int -> TagKeys -> ShowS
[TagKeys] -> ShowS
TagKeys -> String
(Int -> TagKeys -> ShowS)
-> (TagKeys -> String) -> ([TagKeys] -> ShowS) -> Show TagKeys
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [TagKeys] -> ShowS
$cshowList :: [TagKeys] -> ShowS
show :: TagKeys -> String
$cshow :: TagKeys -> String
showsPrec :: Int -> TagKeys -> ShowS
$cshowsPrec :: Int -> TagKeys -> ShowS
Prelude.Show, (forall x. TagKeys -> Rep TagKeys x)
-> (forall x. Rep TagKeys x -> TagKeys) -> Generic TagKeys
forall x. Rep TagKeys x -> TagKeys
forall x. TagKeys -> Rep TagKeys x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep TagKeys x -> TagKeys
$cfrom :: forall x. TagKeys -> Rep TagKeys x
Prelude.Generic)

-- |
-- Create a value of 'TagKeys' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'items', 'tagKeys_items' - A complex type that contains @Tag@ key elements.
newTagKeys ::
  TagKeys
newTagKeys :: TagKeys
newTagKeys = TagKeys' :: Maybe [Text] -> TagKeys
TagKeys' {$sel:items:TagKeys' :: Maybe [Text]
items = Maybe [Text]
forall a. Maybe a
Prelude.Nothing}

-- | A complex type that contains @Tag@ key elements.
tagKeys_items :: Lens.Lens' TagKeys (Prelude.Maybe [Prelude.Text])
tagKeys_items :: (Maybe [Text] -> f (Maybe [Text])) -> TagKeys -> f TagKeys
tagKeys_items = (TagKeys -> Maybe [Text])
-> (TagKeys -> Maybe [Text] -> TagKeys)
-> Lens TagKeys TagKeys (Maybe [Text]) (Maybe [Text])
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\TagKeys' {Maybe [Text]
items :: Maybe [Text]
$sel:items:TagKeys' :: TagKeys -> Maybe [Text]
items} -> Maybe [Text]
items) (\s :: TagKeys
s@TagKeys' {} Maybe [Text]
a -> TagKeys
s {$sel:items:TagKeys' :: Maybe [Text]
items = Maybe [Text]
a} :: TagKeys) ((Maybe [Text] -> f (Maybe [Text])) -> TagKeys -> f TagKeys)
-> ((Maybe [Text] -> f (Maybe [Text]))
    -> Maybe [Text] -> f (Maybe [Text]))
-> (Maybe [Text] -> f (Maybe [Text]))
-> TagKeys
-> f TagKeys
forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. AnIso [Text] [Text] [Text] [Text]
-> Iso (Maybe [Text]) (Maybe [Text]) (Maybe [Text]) (Maybe [Text])
forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping AnIso [Text] [Text] [Text] [Text]
forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

instance Prelude.Hashable TagKeys

instance Prelude.NFData TagKeys

instance Core.ToXML TagKeys where
  toXML :: TagKeys -> XML
toXML TagKeys' {Maybe [Text]
items :: Maybe [Text]
$sel:items:TagKeys' :: TagKeys -> Maybe [Text]
..} =
    [XML] -> XML
forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ Name
"Items"
          Name -> XML -> XML
forall a. ToXML a => Name -> a -> XML
Core.@= Maybe XML -> XML
forall a. ToXML a => a -> XML
Core.toXML (Name -> [Text] -> XML
forall a. (IsList a, ToXML (Item a)) => Name -> a -> XML
Core.toXMLList Name
"Key" ([Text] -> XML) -> Maybe [Text] -> Maybe XML
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe [Text]
items)
      ]