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Module: Char
Function: isOctDigit
Type: Char -> Bool
Description: True if the character is an octal numeric character (0..7)
Related:

Example 1

Input: isOctDigit 'A'

Output: False

Example 2

Input: isOctDigit '1'

Output: True

Example 3

Input: isOctDigit '8'

Output: False