import std.stdio;
import std.uni;
void main() {
writeln("Is ğ lowercase? ", isLower('ğ'));
writeln("Is Ş lowercase? ", isLower('Ş'));
writeln("Is İ uppercase? ", isUpper('İ'));
writeln("Is ç uppercase? ", isUpper('ç'));
writeln("Is z alphanumeric? ", isAlpha('z'));
writeln("Is new-line whitespace? ", isWhite('\n'));
writeln("Is underline whitespace? ", isWhite('_'));
writeln("The lowercase of Ğ: ", toLower('Ğ'));
writeln("The lowercase of İ: ", toLower('İ'));
writeln("The uppercase of ş: ", toUpper('ş'));
writeln("The uppercase of ı: ", toUpper('ı'));
}