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# HLint configuration file
# https://github.com/ndmitchell/hlint
##########################
# This file contains a template configuration file, which is typically
# placed as .hlint.yaml in the root of your project
# Specify additional command line arguments
#
# - arguments: [--color, --cpp-simple, -XQuasiQuotes]
# Control which extensions/flags/modules/functions can be used
#
# - extensions:
# - default: false # all extension are banned by default
# - name: [PatternGuards, ViewPatterns] # only these listed extensions can be used
# - {name: CPP, within: CrossPlatform} # CPP can only be used in a given module
#
# - flags:
# - {name: -w, within: []} # -w is allowed nowhere
#
# - modules:
# - {name: [Data.Set, Data.HashSet], as: Set} # if you import Data.Set qualified, it must be as 'Set'
# - {name: Control.Arrow, within: []} # Certain modules are banned entirely
#
# - functions:
# - {name: unsafePerformIO, within: []} # unsafePerformIO can only appear in no modules
# Add custom hints for this project
#
# Will suggest replacing "wibbleMany [myvar]" with "wibbleOne myvar"
# - error: {lhs: "wibbleMany [x]", rhs: wibbleOne x}
# Turn on hints that are off by default
#
# Ban "module X(module X) where", to require a real export list
- warn: {name: Use explicit module export list}
#
# Replace a $ b $ c with a . b $ c
# - group: {name: dollar, enabled: true}
#
# Generalise map to fmap, ++ to <>
# - group: {name: generalise, enabled: true}
# Ignore some builtin hints
# - ignore: {name: Use let}
# - ignore: {name: Use const, within: SpecialModule} # Only within certain modules
- ignore: {name: Use camelCase}
# Define some custom infix operators
# - fixity: infixr 3 ~^#^~
- hint:
lhs: 'f $ x'
note: 'Use `<|`'
rhs: 'f <| x'
- hint:
lhs: 'x & f'
note: 'Use `|>`'
rhs: 'f |> x'
- hint:
lhs: 'f . g'
note: 'Use `<.`'
rhs: 'f <. g'
#- hint:
# lhs: 'f <. g'
# note: 'Use `.>` for natural reading direction'
# rhs: 'g .> f'
- hint:
lhs: 'return'
note: 'Use the more general Applicative interface'
rhs: 'pure'
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