How to match pattern
Maybe (Either (Int, String) String)
I need to write function with such kind of input and how it is possible to parse such input?
How to match pattern Maybe (Either (Int, String) String) I need to write function
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How to match pattern
Maybe (Either (Int, String) String)
I need to write function with such kind of input and how it is possible to parse such input?
The
Maybe atype has the patternsJust aandNothing. TheEither a btype has the patternsLeft aandRight b. So a value of typeMaybe (Either (Int, String) String)can match the following patterns:NothingJust (Left (x,y))wherexis anIntandyis aStringJust (Right z)wherezis aString.