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1f6d83692a
tests/hard_coded/*.m:
Update programming style, unless doing so would change
the meaning of the test, in particular:
- use '.' as a module qualifier in place of '__'
- use {write,print}_line where appropriate
- use if-then-else in place of C -> T ; E
- use state variables in place of DCGs
tests/hard_coded/dir_test.m:
Document what the expected outputs correspond to.
Use a uniform module qualifier in the output.
tests/hard_coded/dir_test.exp*:
Conform to the above change.
36 lines
836 B
Mathematica
36 lines
836 B
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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% This module tests the use of existential types,
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% including type inference.
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:- module existential_reordering_class.
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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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:- implementation.
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:- import_module enum.
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:- import_module int.
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:- import_module list.
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:- import_module univ.
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main(!IO) :-
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% do something which requires knowing the type of L
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L = [],
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Univ = univ(L),
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io.write_line(Univ, !IO),
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% now do something which binds the type of L
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same_type(L, [my_exist_t]).
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:- pred same_type(T::unused, T::unused) is det.
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same_type(_, _).
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:- some [T] func my_exist_t = T => enum(T).
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my_exist_t = 42.
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