%---------------------------------------------------------------------------% % vim: ts=4 sw=4 et ft=mercury %---------------------------------------------------------------------------% % % Test a higher-order argument with an inst with the float_regs pass. % :- module functor_ho_inst_float_reg. :- interface. :- import_module io. :- pred main(io::di, io::uo) is det. %---------------------------------------------------------------------------% :- implementation. :- import_module list. main(!IO) :- JobsGeneric = [job_generic(j1)], list.foldl(run_generic, JobsGeneric, !IO), JobsFloat = [job_float(j1)], list.foldl(run_float, JobsFloat, !IO). %---------------------------------------------------------------------------% :- type job_generic(T) ---> job_generic(pred(T::out, io::di, io::uo) is det). :- type job_float ---> job_float(pred(float::out, io::di, io::uo) is det). :- pred run_generic(job_generic(T)::in, io::di, io::uo) is det. run_generic(Job, !IO) :- Job = job_generic(Pred), Pred(Result, !IO), io.write_line(Result, !IO). :- pred run_float(job_float::in, io::di, io::uo) is det. run_float(Job, !IO) :- Job = job_float(Pred), Pred(Result, !IO), io.write_line(Result, !IO). :- pred j1(float::out, io::di, io::uo) is det. j1(3.141529, !IO).