Char

isdigit

Property	Details
Function	`isdigit(value)`
Description	Returns `true` if value is a digit (0-9), otherwise `false`.
Parameters	`value` (char) – The character to check.
Return Type	`bool`
Errors	Throws an exception if value is not a character.
Example	`isdigit('5')` → `true` `isdigit('a')` → `false`

Property	Details
Function	`isspace(value)`
Description	Returns `true` if value is a whitespace character (e.g., space, tab, newline), otherwise `false`.
Parameters	`value` (char) – The character to check.
Return Type	`bool`
Errors	Throws an exception if value is not a character.
Example	`isspace(' ')` → `true` `isspace('\t')` → `true` `isspace('a')` → `false`