Example: Determine whether a character is digit

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public static int main (string[] args) {
	unichar[] chars = {'a', 'Ω', '0', '9',
						 '一', '二', '零','九'}; 

	// Output: ``false false true true false false false false``
	foreach (unichar c in chars) {
		print ("%s ", c.isdigit ().to_string ());
	}
	print ("\n");
	return 0;
}

 valac --pkg glib-2.0 unichar.isdigit.vala

See:

• unichar.isdigit

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