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ecb5e4a9e6
tests/declarative_debugger/*.m:
tests/exceptions/*.m:
tests/general/*.m:
tests/grade_subdirs/*.m:
tests/purity/*.m:
tests/submodules/*.m:
tests/typeclasses/*.m:
Update programming style.
tests/declarative_debugger/*.inp:
Update line numbers in breakpoint commands.
tests/declarative_debugger/*.exp:
Update expected line numbers.
tests/exceptions/Mercury.options:
tests/general/Mercury.options:
Disable some warnings that are irrelevant to the test.
57 lines
1.9 KiB
Mathematica
57 lines
1.9 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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% string_foldr_substring.m
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% Ralph Becket <rafe@cs.mu.oz.au>
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% Mon Oct 28 16:32:19 EST 2002
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%---------------------------------------------------------------------------%
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:- module string_foldr_substring.
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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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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module char.
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:- import_module int.
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:- import_module list.
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:- import_module string.
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%---------------------------------------------------------------------------%
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main(!IO) :-
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io.write_strings([
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"sub(\"Hello, World!\", 0, 5) = \"",
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sub("Hello, World!", 0, 5),
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"\"\nsub(\"Hello, World!\", 0, 50) = \"",
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sub("Hello, World!", 0, 50),
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"\"\nsub(\"Hello, World!\", 0, -5) = \"",
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sub("Hello, World!", 0, -5),
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"\"\nsub(\"Hello, World!\", -5, 12) = \"",
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sub("Hello, World!", -5, 12),
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"\"\nsub(\"Hello, World!\", -5, 50) = \"",
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sub("Hello, World!", -5, 50),
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"\"\nsub(\"Hello, World!\", 7, 0) = \"",
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sub("Hello, World!", 7, 0),
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"\"\nsub(\"Hello, World!\", 7, 12) = \"",
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sub("Hello, World!", 7, 12),
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"\"\nsub(\"Hello, World!\", 50, 10) = \"",
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sub("Hello, World!", 50, 10),
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"\"\n"
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], !IO).
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:- func sub(string, int, int) = string.
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sub(S, I, N) =
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from_char_list(foldr_between(func(X, Xs) = [X | Xs], S, I, N, [])).
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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