getchar :: IO char in this given function what is indicated by IO char: a. when getchar is invoked it returns a character b. when getchar is executed it returns a character c. botha & b d. none of these

getchar :: IO char in this given function what is indicated by IO char:
a. when getchar is invoked it returns a character
b. when getchar is executed it returns a character
c. botha & b
d. none of these
by

1 Answer

Answer :

a. when getchar is invoked it returns a character
by

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