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mercury/tests/hard_coded/string_count_code_points_ilseq.m
2025-02-20 23:48:10 +11:00

36 lines
1021 B
Mathematica

%---------------------------------------------------------------------------%
% vim: ts=4 sw=4 et ft=mercury
%---------------------------------------------------------------------------%
%
% The .exp file is for backends using UTF-8 string encoding.
% The .exp2 file is for backends using UTF-16 string encoding.
%
%---------------------------------------------------------------------------%
:- module string_count_code_points_ilseq.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
%---------------------------------------------------------------------------%
:- implementation.
:- import_module char.
:- import_module int.
:- import_module list.
:- import_module string.
%---------------------------------------------------------------------------%
main(!IO) :-
S0 = "😀",
S1 = string.between(S0, 0, 1),
S2 = string.between(S0, 1, count_code_units(S0)),
S = S0 ++ S1 ++ "," ++ S2 ++ S0,
string.count_code_points(S, Num),
io.write_int(Num, !IO),
io.nl(!IO).