diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,21 @@
 *.hi
 *~
 *#
+.stack-work/
+cabal-dev
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+cabal.project.local
+cabal.project.local~
+.HTF/
+.ghc.environment.*
diff --git a/.travis.yml b/.travis.yml
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,106 +1,175 @@
-# This file has been generated -- see https://github.com/hvr/multi-ghc-travis
+# This Travis job script has been generated by a script via
+#
+#   haskell-ci '--output=.travis.yml' '--config=cabal.haskell-ci' 'cabal.project'
+#
+# For more information, see https://github.com/haskell-CI/haskell-ci
+#
+# version: 0.5.20180830
+#
 language: c
-sudo: false
-
+dist: xenial
+git:
+  # whether to recursively clone submodules
+  submodules: false
+notifications:
+  irc:
+    channels:
+      - irc.freenode.org#haskell-lens
+    skip_join: true
+    template:
+      - "\"\\x0313lens-aeson\\x03/\\x0306%{branch}\\x03 \\x0314%{commit}\\x03 %{build_url} %{message}\""
 cache:
   directories:
-    - $HOME/.cabsnap
     - $HOME/.cabal/packages
-
+    - $HOME/.cabal/store
 before_cache:
-  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
-  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar
-
+  - rm -fv $CABALHOME/packages/hackage.haskell.org/build-reports.log
+  # remove files that are regenerated by 'cabal update'
+  - rm -fv $CABALHOME/packages/hackage.haskell.org/00-index.*
+  - rm -fv $CABALHOME/packages/hackage.haskell.org/*.json
+  - rm -fv $CABALHOME/packages/hackage.haskell.org/01-index.cache
+  - rm -fv $CABALHOME/packages/hackage.haskell.org/01-index.tar
+  - rm -fv $CABALHOME/packages/hackage.haskell.org/01-index.tar.idx
+  - rm -rfv $CABALHOME/packages/head.hackage
 matrix:
   include:
-    - env: CABALVER=1.24 GHCVER=7.4.2
-      compiler: ": #GHC 7.4.2"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-7.4.2,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=1.24 GHCVER=7.6.3
-      compiler: ": #GHC 7.6.3"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-7.6.3,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=1.24 GHCVER=7.8.4
-      compiler: ": #GHC 7.8.4"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-7.8.4,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=1.24 GHCVER=7.10.3
-      compiler: ": #GHC 7.10.3"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-7.10.3,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=1.24 GHCVER=8.0.2
-      compiler: ": #GHC 8.0.2"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=2.0 GHCVER=8.2.1
-      compiler: ": #GHC 8.2.1"
-      addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.1,hlint], sources: [hvr-ghc]}}
-    - env: CABALVER=head GHCVER=head
-      compiler: ": #GHC head"
-      addons: {apt: {packages: [cabal-install-head,ghc-head,hlint], sources: [hvr-ghc]}}
-
+    - compiler: ghc-8.8.1
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.8.1","cabal-install-3.0"]}}
+    - compiler: ghc-8.6.5
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.6.5","cabal-install-3.0"]}}
+    - compiler: ghc-8.4.4
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.4.4","cabal-install-3.0"]}}
+    - compiler: ghc-8.2.2
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.2.2","cabal-install-3.0"]}}
+    - compiler: ghc-8.0.2
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-8.0.2","cabal-install-3.0"]}}
+    - compiler: ghc-7.10.3
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-7.10.3","cabal-install-3.0"]}}
+    - compiler: ghc-7.8.4
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-7.8.4","cabal-install-3.0"]}}
+    - compiler: ghc-7.6.3
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-7.6.3","cabal-install-3.0"]}}
+    - compiler: ghc-7.4.2
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-7.4.2","cabal-install-3.0"]}}
+    - compiler: ghc-head
+      addons: {"apt":{"sources":["hvr-ghc"],"packages":["ghc-head","cabal-install-head"]}}
   allow_failures:
-    - env: CABALVER=head GHCVER=head
-
+    - compiler: ghc-head
 before_install:
- - unset CC
- - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
-
+  - HC=$(echo "/opt/$CC/bin/ghc" | sed 's/-/\//')
+  - WITHCOMPILER="-w $HC"
+  - HADDOCK=$(echo "/opt/$CC/bin/haddock" | sed 's/-/\//')
+  - HCPKG="$HC-pkg"
+  - unset CC
+  - CABAL=/opt/ghc/bin/cabal
+  - CABALHOME=$HOME/.cabal
+  - export PATH="$CABALHOME/bin:$PATH"
+  - TOP=$(pwd)
+  - "HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\\d+)\\.(\\d+)\\.(\\d+)(\\.(\\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')"
+  - echo $HCNUMVER
+  - CABAL="$CABAL -vnormal+nowrap+markoutput"
+  - set -o pipefail
+  - |
+    echo 'function blue(s) { printf "\033[0;34m" s "\033[0m " }'           >> .colorful.awk
+    echo 'BEGIN { state = "output"; }'                                     >> .colorful.awk
+    echo '/^-----BEGIN CABAL OUTPUT-----$/ { state = "cabal" }'            >> .colorful.awk
+    echo '/^-----END CABAL OUTPUT-----$/ { state = "output" }'             >> .colorful.awk
+    echo '!/^(-----BEGIN CABAL OUTPUT-----|-----END CABAL OUTPUT-----)/ {' >> .colorful.awk
+    echo '  if (state == "cabal") {'                                       >> .colorful.awk
+    echo '    print blue($0)'                                              >> .colorful.awk
+    echo '  } else {'                                                      >> .colorful.awk
+    echo '    print $0'                                                    >> .colorful.awk
+    echo '  }'                                                             >> .colorful.awk
+    echo '}'                                                               >> .colorful.awk
+  - cat .colorful.awk
+  - |
+    color_cabal_output () {
+      awk -f $TOP/.colorful.awk
+    }
+  - echo text | color_cabal_output
 install:
- - cabal --version
- - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
- - if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];
-   then
-     zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >
-          $HOME/.cabal/packages/hackage.haskell.org/00-index.tar;
-   fi
- - travis_retry cabal update -v
- - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
- - cabal install --only-dependencies --enable-tests --enable-benchmarks --dry -v > installplan.txt
- - sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt
-
-# check whether current requested install-plan matches cached package-db snapshot
- - if diff -u installplan.txt $HOME/.cabsnap/installplan.txt;
-   then
-     echo "cabal build-cache HIT";
-     rm -rfv .ghc;
-     cp -a $HOME/.cabsnap/ghc $HOME/.ghc;
-     cp -a $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;
-   else
-     echo "cabal build-cache MISS";
-     rm -rf $HOME/.cabsnap;
-     mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;
-     cabal install -j --only-dependencies --enable-tests --enable-benchmarks;
-   fi
-
-# snapshot package-db on cache miss
- - if [ ! -d $HOME/.cabsnap ];
-   then
-      echo "snapshotting package-db to build-cache";
-      mkdir $HOME/.cabsnap;
-      cp -a $HOME/.ghc $HOME/.cabsnap/ghc;
-      cp -a $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;
-   fi
-
-# Here starts the actual work to be performed for the package under test;
-# any command which exits with a non-zero exit code causes the build to fail.
+  - ${CABAL} --version
+  - echo "$(${HC} --version) [$(${HC} --print-project-git-commit-id 2> /dev/null || echo '?')]"
+  - TEST=--enable-tests
+  - BENCH=--enable-benchmarks
+  - HEADHACKAGE=false
+  - if [ $HCNUMVER -gt 80801 ] ; then HEADHACKAGE=true ; fi
+  - rm -f $CABALHOME/config
+  - |
+    echo "verbose: normal +nowrap +markoutput"          >> $CABALHOME/config
+    echo "remote-build-reporting: anonymous"            >> $CABALHOME/config
+    echo "write-ghc-environment-files: always"          >> $CABALHOME/config
+    echo "remote-repo-cache: $CABALHOME/packages"       >> $CABALHOME/config
+    echo "logs-dir:          $CABALHOME/logs"           >> $CABALHOME/config
+    echo "world-file:        $CABALHOME/world"          >> $CABALHOME/config
+    echo "extra-prog-path:   $CABALHOME/bin"            >> $CABALHOME/config
+    echo "symlink-bindir:    $CABALHOME/bin"            >> $CABALHOME/config
+    echo "installdir:        $CABALHOME/bin"            >> $CABALHOME/config
+    echo "build-summary:     $CABALHOME/logs/build.log" >> $CABALHOME/config
+    echo "store-dir:         $CABALHOME/store"          >> $CABALHOME/config
+    echo "install-dirs user"                            >> $CABALHOME/config
+    echo "  prefix: $CABALHOME"                         >> $CABALHOME/config
+    echo "repository hackage.haskell.org"               >> $CABALHOME/config
+    echo "  url: http://hackage.haskell.org/"           >> $CABALHOME/config
+  - |
+    if $HEADHACKAGE; then
+    echo "allow-newer: $($HCPKG list --simple-output | sed -E 's/([a-zA-Z-]+)-[0-9.]+/*:\1/g')" >> $CABALHOME/config
+    echo "repository head.hackage.ghc.haskell.org"                                        >> $CABALHOME/config
+    echo "   url: https://ghc.gitlab.haskell.org/head.hackage/"                           >> $CABALHOME/config
+    echo "   secure: True"                                                                >> $CABALHOME/config
+    echo "   root-keys: 7541f32a4ccca4f97aea3b22f5e593ba2c0267546016b992dfadcd2fe944e55d" >> $CABALHOME/config
+    echo "              26021a13b401500c8eb2761ca95c61f2d625bfef951b939a8124ed12ecf07329" >> $CABALHOME/config
+    echo "              f76d08be13e9a61a377a85e2fb63f4c5435d40f8feb3e12eb05905edb8cdea89" >> $CABALHOME/config
+    echo "   key-threshold: 3"                                                            >> $CABALHOME/config
+    fi
+  - cat $CABALHOME/config
+  - rm -fv cabal.project cabal.project.local cabal.project.freeze
+  - travis_retry ${CABAL} v2-update -v
+  - if [ $HCNUMVER -ge 80800 ] && [ $HCNUMVER -lt 80802 ] ; then (cd /tmp && ${CABAL} v2-install $WITHCOMPILER -j2 hlint --constraint='hlint ==2.1.*' | color_cabal_output) ; fi
+  # Generate cabal.project
+  - rm -rf cabal.project cabal.project.local cabal.project.freeze
+  - touch cabal.project
+  - |
+    echo "packages: ." >> cabal.project
+  - |
+  - "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | (grep -vE -- '^(lens-aeson)$' || true) | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done"
+  - cat cabal.project || true
+  - cat cabal.project.local || true
+  - if [ -f "./configure.ac" ]; then (cd "." && autoreconf -i); fi
+  - ${CABAL} v2-freeze $WITHCOMPILER ${TEST} ${BENCH} | color_cabal_output
+  - "cat cabal.project.freeze | sed -E 's/^(constraints: *| *)//' | sed 's/any.//'"
+  - rm  cabal.project.freeze
+  - ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} --dep -j2 all | color_cabal_output
 script:
- - cabal configure -v2 --enable-tests --enable-benchmarks  # -v2 provides useful information for debugging
- - cabal build # this builds all libraries and executables (including tests/benchmarks)
- - cabal test
- - cabal sdist   # tests that a source-distribution can be generated
- - hlint src --cpp-define HLINT
- - export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}') ;
-   cd dist/;
-   if [ -f "$SRC_TGZ" ]; then
-      cabal install "$SRC_TGZ";
-   else
-      echo "expected '$SRC_TGZ' not found";
-      exit 1;
-   fi
-
-notifications:
-  irc:
-    channels:
-      - "irc.freenode.org#haskell-lens"
-    skip_join: true
-    template:
-      - "\x0313lens-aeson\x0f/\x0306%{branch}\x0f \x0314%{commit}\x0f %{message} \x0302\x1f%{build_url}\x0f"
+  - DISTDIR=$(mktemp -d /tmp/dist-test.XXXX)
+  # Packaging...
+  - ${CABAL} v2-sdist all | color_cabal_output
+  # Unpacking...
+  - mv dist-newstyle/sdist/*.tar.gz ${DISTDIR}/
+  - cd ${DISTDIR} || false
+  - find . -maxdepth 1 -type f -name '*.tar.gz' -exec tar -xvf '{}' \;
+  - find . -maxdepth 1 -type f -name '*.tar.gz' -exec rm       '{}' \;
+  - PKGDIR_lens_aeson="$(find . -maxdepth 1 -type d -regex '.*/lens-aeson-[0-9.]*')"
+  # Generate cabal.project
+  - rm -rf cabal.project cabal.project.local cabal.project.freeze
+  - touch cabal.project
+  - |
+    echo "packages: ${PKGDIR_lens_aeson}" >> cabal.project
+  - |
+  - "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | (grep -vE -- '^(lens-aeson)$' || true) | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done"
+  - cat cabal.project || true
+  - cat cabal.project.local || true
+  # Building with tests and benchmarks...
+  # build & run tests, build benchmarks
+  - ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output
+  # Testing...
+  - ${CABAL} v2-test $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output
+  # HLint..
+  - if [ $HCNUMVER -ge 80800 ] && [ $HCNUMVER -lt 80802 ] ; then (cd ${PKGDIR_lens_aeson} && hlint --cpp-ansi --cpp-define=HLINT src) ; fi
+  # cabal check...
+  - (cd ${PKGDIR_lens_aeson} && ${CABAL} -vnormal check)
+  # haddock...
+  - ${CABAL} v2-haddock $WITHCOMPILER --with-haddock $HADDOCK ${TEST} ${BENCH} all | color_cabal_output
 
+# REGENDATA ["--output=.travis.yml","--config=cabal.haskell-ci","cabal.project"]
 # EOF
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,12 @@
+1.1 [2019.09.26]
+----------------
+* Generalize the type of `_JSON` from `Prism' t a` to `Prism t t a b`. If you
+  wish to continue to use the less general type, use the newly added `_JSON'`
+  prism.
+* Add pattern synonyms corresponding to the `Prism`s that `lens-aeson`
+  provides.
+* Fix the test suite on 32-bit architectures.
+
 1.0.2
 -----
 * Support `doctest-0.12`
diff --git a/README.markdown b/README.markdown
--- a/README.markdown
+++ b/README.markdown
@@ -1,7 +1,7 @@
 lens-aeson
 ==========
 
-[![Hackage](https://img.shields.io/hackage/v/lens-aeson.svg)](https://hackage.haskell.org/package/lens-aeson) [![Build Status](https://secure.travis-ci.org/ekmett/linear.svg)](http://travis-ci.org/lens/lens-aeson)
+[![Hackage](https://img.shields.io/hackage/v/lens-aeson.svg)](https://hackage.haskell.org/package/lens-aeson) [![Build Status](https://secure.travis-ci.org/lens/lens-aeson.svg)](http://travis-ci.org/lens/lens-aeson)
 
 The goal of `lens-aeson` is to provide traversals and prisms for
 the [Aeson](http://hackage.haskell.org/package/aeson) library's
diff --git a/lens-aeson.cabal b/lens-aeson.cabal
--- a/lens-aeson.cabal
+++ b/lens-aeson.cabal
@@ -1,6 +1,6 @@
 name:          lens-aeson
 category:      Numeric
-version:       1.0.2
+version:       1.1
 license:       MIT
 cabal-version: >= 1.8
 license-file:  LICENSE
@@ -13,9 +13,17 @@
   Copyright (C) 2012 Paul Wilson
   Copyright (C) 2013 Edward A. Kmett
 build-type:    Custom
-tested-with:   GHC == 7.4.2, GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC==8.0.2, GHC==8.2.1
+tested-with:   GHC == 7.4.2
+             , GHC == 7.6.3
+             , GHC == 7.8.4
+             , GHC == 7.10.3
+             , GHC == 8.0.2
+             , GHC == 8.2.2
+             , GHC == 8.4.4
+             , GHC == 8.6.5
+             , GHC == 8.8.1
 synopsis:      Law-abiding lenses for aeson
-description:   Law-abiding lenses for aeson
+description:   Law-abiding lenses for aeson.
 
 extra-source-files:
   .travis.yml
@@ -53,7 +61,7 @@
     unordered-containers >= 0.2.3     && < 0.3,
     attoparsec           >= 0.10      && < 0.14,
     bytestring           >= 0.9       && < 0.11,
-    aeson                >= 0.7.0.5   && < 1.3,
+    aeson                >= 0.7.0.5   && < 1.5,
     scientific           >= 0.3.2     && < 0.4
 
   exposed-modules:
@@ -73,7 +81,7 @@
   else
     build-depends:
       base,
-      doctest        >= 0.11.1 && < 0.13,
+      doctest        >= 0.11.1 && < 0.17,
       generic-deriving,
       lens-aeson,
       semigroups     >= 0.9,
diff --git a/src/Data/Aeson/Lens.hs b/src/Data/Aeson/Lens.hs
--- a/src/Data/Aeson/Lens.hs
+++ b/src/Data/Aeson/Lens.hs
@@ -8,9 +8,13 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE DefaultSignatures #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
+#if __GLASGOW_HASKELL__ >= 800
+{-# LANGUAGE PatternSynonyms #-}
+{-# LANGUAGE ViewPatterns #-}
+#endif
 --------------------------------------------------------------------
 -- |
--- Copyright :  (c) Edward Kmett 2013-2014, (c) Paul Wilson 2012
+-- Copyright :  (c) Edward Kmett 2013-2019, (c) Paul Wilson 2012
 -- License   :  BSD3
 -- Maintainer:  Edward Kmett <ekmett@gmail.com>
 -- Stability :  experimental
@@ -34,6 +38,20 @@
   , nth, values
   -- * Decoding
   , AsJSON(..)
+  , _JSON'
+  -- * Pattern Synonyms
+#if __GLASGOW_HASKELL__ >= 800
+  , pattern JSON
+  , pattern Value_
+  , pattern Number_
+  , pattern Double
+  , pattern Integer
+  , pattern Integral
+  , pattern Primitive
+  , pattern Bool_
+  , pattern String_
+  , pattern Null_
+#endif
   ) where
 
 import Control.Applicative
@@ -72,11 +90,9 @@
   -- >>> "[1, \"x\"]" ^? nth 1 . _Number
   -- Nothing
   _Number :: Prism' t Scientific
-#ifndef HLINT
   default _Number :: AsPrimitive t => Prism' t Scientific
   _Number = _Primitive._Number
   {-# INLINE _Number #-}
-#endif
 
   -- |
   -- Prism into an 'Double' over a 'Value', 'Primitive' or 'Scientific'
@@ -164,11 +180,9 @@
   -- >>> "[1, \"x\", null, true, false]" ^? nth 4 . _Primitive
   -- Just (BoolPrim False)
   _Primitive :: Prism' t Primitive
-#ifndef HLINT
   default _Primitive :: AsValue t => Prism' t Primitive
   _Primitive = _Value._Primitive
   {-# INLINE _Primitive #-}
-#endif
 
   -- |
   -- >>> "{\"a\": \"xyz\", \"b\": true}" ^? key "a" . _String
@@ -328,11 +342,11 @@
 
 -- | An indexed Traversal into Object properties
 --
--- >>> "{\"a\": 4, \"b\": 7}" ^@.. members
--- [("a",Number 4.0),("b",Number 7.0)]
+-- >>> Data.List.sort ("{\"a\": 4, \"b\": 7}" ^@.. members . _Number)
+-- [("a",4.0),("b",7.0)]
 --
--- >>> "{\"a\": 4, \"b\": 7}" & members . _Number *~ 10
--- "{\"a\":40,\"b\":70}"
+-- >>> "{\"a\": 4}" & members . _Number *~ 10
+-- "{\"a\":40}"
 members :: AsValue t => IndexedTraversal' Text t Value
 members = _Object . itraversed
 {-# INLINE members #-}
@@ -342,7 +356,7 @@
 -- >>> "[1,2,3]" ^? nth 1
 -- Just (Number 2.0)
 --
--- >>> "\"a\": 100, \"b\": 200}" ^? nth 1
+-- >>> "{\"a\": 100, \"b\": 200}" ^? nth 1
 -- Nothing
 --
 -- >>> "[1,2,3]" & nth 1 .~ Number 20
@@ -371,9 +385,12 @@
 lazyTextUtf8 :: Iso' LazyText.Text Lazy.ByteString
 lazyTextUtf8 = iso LazyText.encodeUtf8 LazyText.decodeUtf8
 
+_JSON' :: (AsJSON t, FromJSON a, ToJSON a) => Prism' t a
+_JSON' = _JSON
+
 class AsJSON t where
   -- | '_JSON' is a 'Prism' from something containing JSON to something encoded in that structure
-  _JSON :: (FromJSON a, ToJSON a) => Prism' t a
+  _JSON :: (FromJSON a, ToJSON b) => Prism t t a b
 
 instance AsJSON Strict.ByteString where
   _JSON = lazy._JSON
@@ -457,3 +474,49 @@
   plate f (Array a) = Array <$> traverse f a
   plate _ xs = pure xs
   {-# INLINE plate #-}
+
+------------------------------------------------------------------------------
+-- Pattern Synonyms
+------------------------------------------------------------------------------
+
+#if __GLASGOW_HASKELL__ >= 800
+pattern JSON :: (FromJSON a, ToJSON a, AsJSON t) => () => a -> t
+pattern JSON a <- (preview _JSON -> Just a) where
+  JSON a = _JSON # a
+
+pattern Value_ :: (FromJSON a, ToJSON a) => () => a -> Value
+pattern Value_ a <- (fromJSON -> Success a) where
+  Value_ a = toJSON a
+
+pattern Number_ :: AsNumber t => Scientific -> t
+pattern Number_ n <- (preview _Number -> Just n) where
+  Number_ n = _Number # n
+
+pattern Double :: AsNumber t => Double -> t
+pattern Double d <- (preview _Double -> Just d) where
+  Double d = _Double # d
+
+pattern Integer :: AsNumber t => Integer -> t
+pattern Integer i <- (preview _Integer -> Just i) where
+  Integer i = _Integer # i
+
+pattern Integral :: (AsNumber t, Integral a) => a -> t
+pattern Integral d <- (preview _Integral -> Just d) where
+  Integral d = _Integral # d
+
+pattern Primitive :: AsPrimitive t => Primitive -> t
+pattern Primitive p <- (preview _Primitive -> Just p) where
+  Primitive p = _Primitive # p
+
+pattern Bool_ :: AsPrimitive t => Bool -> t
+pattern Bool_ b <- (preview _Bool -> Just b) where
+  Bool_ b = _Bool # b
+
+pattern String_ :: AsPrimitive t => Text -> t
+pattern String_ p <- (preview _String -> Just p) where
+  String_ p = _String # p
+
+pattern Null_ :: AsPrimitive t => t
+pattern Null_ <- (preview _Null -> Just ()) where
+  Null_ = _Null # ()
+#endif
