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Estimated hours taken: 0.25 tests/hard_coded/higher_order_syntax2.m: Delete an unnecessary import of `std_util', to avoid a name clash between the `id' function defined here and the one recently added in library/std_util.m.
26 lines
681 B
Mathematica
26 lines
681 B
Mathematica
:- module higher_order_syntax2.
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:- interface.
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:- import_module io.
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:- pred main(io__state::di, io__state::uo) is det.
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:- implementation.
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:- import_module int.
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:- func curry((func(V_3, V_2) = V_1)) = ((func V_3) = ((func V_2) = V_1)).
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:- func uncurry(((func V_3) = ((func V_2) = T4)), V_3, V_2) = T4.
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:- func id((func(V_3, V_2) = T4)) = (func(V_3, V_2) = T4).
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:- func pplus(int, int) = int.
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curry(F) = (func(X) = (func(Y) = F(X, Y))).
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uncurry(F, X, Y) = F(X)(Y).
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id(F) = uncurry(curry(F)).
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pplus(X, Y) = X + Y.
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main -->
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{ Result = (id)(pplus)(3,4) },
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print("Result = "), print(Result), nl,
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{ Result2 = (func(X, Y) = X + Y)(5,6) },
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print("Result2 = "), print(Result2), nl.
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