aeson-utils alternatives and similar packages

Based on the "aeson" category.
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aeson

10.0 7.0 L1 aeson-utils VS aeson

A fast Haskell JSON library
aeson-schema

8.7 0.0 aeson-utils VS aeson-schema

Haskell JSON schema validator and parser generator

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aeson-injector

7.1 0.0 aeson-utils VS aeson-injector

Haskell library for injecting fields into aeson values
aeson-lens

7.0 0.0 aeson-utils VS aeson-lens

Lens of Aeson
aeson-compat

5.7 0.0 aeson-utils VS aeson-compat

Compatibility package for aeson
aeson-casing

5.4 0.0 aeson-utils VS aeson-casing

Tools to change the formatting of field names in Aeson instances.
aeson-extra

5.3 3.1 aeson-utils VS aeson-extra

Extra goodies for aeson
aeson-t

4.6 0.0 aeson-utils VS aeson-t

Transform JSON
aeson-smart

4.6 0.0 aeson-utils VS aeson-smart

Better template haskell generation of parseJSON and toJSON methods
aeson-flowtyped

4.4 0.0 aeson-utils VS aeson-flowtyped

Moved to https://gitlab.com/transportengineering/aeson-flowtyped
aeson-applicative

4.1 0.0 aeson-utils VS aeson-applicative

define To/From JSON instances from one applicative definition
aeson-value-parser

4.1 4.8 aeson-utils VS aeson-value-parser

An API for parsing "aeson" JSON tree into Haskell types
aeson-yak

3.1 0.0 aeson-utils VS aeson-yak

JSON Shaving Day
aeson-bson

2.8 0.0 aeson-utils VS aeson-bson

Mapping between Aeson's JSON and Bson objects
aeson-generic-compat

1.9 4.6 aeson-utils VS aeson-generic-compat

Compatible generic class names of Aeson
aeson-coerce

1.9 0.0 aeson-utils VS aeson-coerce

Initial project template from stack
aeson-attoparsec

1.7 0.0 aeson-utils VS aeson-attoparsec

Embed an attoparsec parser into an aeson parser
aeson-flat

1.6 0.0 aeson-utils VS aeson-flat

Tools for creating flat JSON serializations
aeson-native

- - aeson-utils VS aeson-native

Fast JSON parsing and encoding (deprecated)

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README

aeson-utils

A small package containing helpful addititions to aeson.

It provides eitherDecodeV and decodeV functions (analogous to eitherDecode and decode in aeson) that can be used to parse atomic JSON values at the top level. This is not strictly valid JSON, only objects and arrays are allowed at the top level in the specification, but aeson's encode allows this already. This gives us the nice property decodeV . encode = Just.

The package also contains the .=? operator that you can use to optionally construct object pairs:

object (
  [ "a" .= foo
  , "b" .= bar
  ] ++ catMaybes
  [ "c" .=? mBaz
  , "d" .=? mQux
  ])

Finally it has a parseNumber function that converts a scientific into Either Integer Double in case you want to distinguish between integrals and fractionals.