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Tell which key failed to parse in maps #423

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merged 1 commit into from
Jun 13, 2016
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phadej
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@phadej phadej commented Jun 8, 2016

Before

> eitherDecode "[{\"x\": 2}]" :: Either String [Map Int Int]
Left "Error in $[0]: input does not start with a digit"

After

Left "Error in $[0].x: input does not start with a digit"

@phadej phadej mentioned this pull request Jun 8, 2016
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Great thanks :-)

@bergmark bergmark merged commit 6a983c6 into haskell:master Jun 13, 2016
@phadej phadej deleted the error-in-map branch June 13, 2016 16:03
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