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