What kind of concept is ord and what language feature is it

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Reference no: EM133360801

Question: The type checker infers that the function defined below has the type Ord a => [a] -> [a].

coolSort [] = []

coolSort (pivot : rest) = coolSort (filter (< pivot) rest) ++

pivot : coolSort (filter (>= pivot) rest)

(a) What kind of concept is Ord (what language feature is it)?

(b) What does Ord a mean?

Reference no: EM133360801

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