chapter25/src/main/smp/sys/char.smp


1
2
3
4
5
6
7
8


val toupper = { u8 c ->
    return c >= 'a' && c <= 'z' ? c - ('a' - 'A') : c;
};

val tolower = { u8 c ->
    return c >= 'A' && c <= 'Z' ? c + ('a' - 'A') : c;
};