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derive generic instance of Position #87

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Merged
merged 2 commits into from
Oct 16, 2020
Merged

derive generic instance of Position #87

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8412e63
Parsing failure context region (#97)
jamesdbrock Oct 6, 2020
96ab477
derive generic instance of Position
shmish111 Jan 31, 2020
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3 changes: 2 additions & 1 deletion bower.json
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Expand Up @@ -29,7 +29,8 @@
"purescript-maybe": "^4.0.0",
"purescript-strings": "^4.0.0",
"purescript-transformers": "^4.1.0",
"purescript-unicode": "^4.0.0"
"purescript-unicode": "^4.0.0",
"purescript-generics-rep": "^6.1.1"
},
"devDependencies": {
"purescript-assert": "^4.0.0",
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1 change: 1 addition & 0 deletions spago.dhall
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Expand Up @@ -3,6 +3,7 @@
[ "arrays"
, "assert"
, "console"
, "generics-rep"
, "effect"
, "either"
, "foldable-traversable"
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3 changes: 3 additions & 0 deletions src/Text/Parsing/Parser/Pos.purs
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@@ -1,6 +1,7 @@
module Text.Parsing.Parser.Pos where

import Prelude
import Data.Generic.Rep (class Generic)
import Data.Foldable (foldl)
import Data.Newtype (wrap)
import Data.String (split)
Expand All @@ -14,6 +15,8 @@ newtype Position = Position
, column :: Int
}

derive instance genericPosition :: Generic Position _

instance showPosition :: Show Position where
show (Position { line: line, column: column }) =
"(Position { line: " <> show line <> ", column: " <> show column <> " })"
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