Question: In Haskell, all lists have a head except for empty lists circular lists single-element lists headless lists How many different values can an expression having


In Haskell, all lists have a head except for empty lists circular lists single-element lists headless lists How many different values can an expression having type of pair (2-tuple) have? unlimited 1 2 0 In Haskell, pattern matching and the where clause, can be used together. occasionally sometimes never always
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