char_of u returns the Latin-1 representation of u. If u can not be represented by Latin-1, raises Out_of_range

of_char c returns the Unicode character of the Latin-1 character c

code u returns the Unicode code number of u.

chr n returns the Unicode character with the code number n. If n does not lay in the valid range of Unicode or designates a surrogate character, raises Out_of_range

Equality by code point comparison

compare u1 u2 returns, a value > 0 if u1 has a larger Unicode code number than u2, 0 if u1 and u2 are the same Unicode character, a value < 0 if u1 has a smaller Unicode code number than u2.

Aliases of type t

Alias of code

Alias of chr

true if the char is a regular ascii char, i.e. if its code is <= 127

• since 2.2.0