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06542c7070
tests/valid/some_singleton.m:
The new test case.
tests/valid/Mercury.options:
Specify the options for the test case.
tests/valid/Mmakefile:
List the test case, but do not enable it yet.
35 lines
714 B
Mathematica
35 lines
714 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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% A test whether the compiler detects that a variable that occurs only
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%
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% - once in a scope, and
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% - and in the list of variables quantified by that scope
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%
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% is NOT a singleton.
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:- module some_singleton.
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:- interface.
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:- pred p(int::in, int::out) is det.
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:- implementation.
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p(A, C) :-
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( if
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some [B] (
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q(A, B) % B should NOT be reported as a singleton.
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)
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then
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C = 100
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else
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C = 200
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).
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:- pred q(int::in, int::out) is nondet.
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q(1, 11).
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q(1, 12).
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q(2, 21).
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