Question: Write a function spanString of type ( Char , [ Char ] ) > [ Char ] that takes a character c and a strings

Write a function spanString of type (Char,[Char])>[Char] that takes a character c and a strings as arguments, and returns the substring of s before the first occurrence of c. For example, the expression spanString ('V', "Idfmv9yv7z") evaluates to "Idfm". Turn in a listing of the function, and the results of this test case.

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