Days between dates: Difference between revisions

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m →‎{{header|Haskell}}: Added a variation (monadic composition in lieu of error handling)
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Or, composing rather than raising errors:
Or, composing rather than raising errors:


<lang haskell>module Tokenized where
<lang haskell>import Data.Time (Day)

import Data.Time (Day)
import Data.Time.Calendar (diffDays)
import Data.Time.Calendar (diffDays)
import Data.Time.Format (defaultTimeLocale, parseTimeM)
import Data.Time.Format (defaultTimeLocale, parseTimeM)