| ZVON > References > Haskell reference |
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| | Indexes | Syntax | Prelude | Ratio | Complex | Numeric | Ix | Array | List | Maybe | >> Char << | Monad | IO | Directory | System | Time | Locale | CPUTime | Random |
| Module: | Char |
|---|---|
| Function: | isDigit |
| Type: | Char -> Bool |
| Description: | True if the character is a decimal numeric character (0..9) |
| Related: |
Input: isDigit 'A'
Output: False
Input: isDigit '1'
Output: True