RosettaCodeData/Task/String-length/Mercury/string-length-2.mercury

21 lines
517 B
Plaintext
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

:- module string_character_length.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module list, string.
main(!IO) :-
Words = ["møøse", "𝔘𝔫𝔦𝔠𝔬𝔡𝔢", "J\x332\o\x332\s\x332\e\x301\\x332\"],
io.write_list(Words, "", write_length, !IO).
:- pred write_length(string::in, io::di, io::uo) is det.
write_length(String, !IO) :-
NumChars = count_codepoints(String),
io.format("%s: %d characters\n", [s(String), i(NumChars)], !IO).