curry

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Function Returns "No Solution" Instead Of "Nothing"

I have a standard datatype representing formulae of predicate logic. A function representing a natural deduction elimination rule for disjunction might look like:[详细]

2023-04-09 08:06 分类：问答
Showing data types in Curry

Does Curry have the ability to show or pretty print data types inside the REPL (using PAKCS or MCC)? In Haskell, this functionality is impemented using the type class Show. Howe开发者_运维知识库ver, n[详细]

2023-03-19 04:55 分类：问答
"readline" (or "haskeline") for Curry?

What\'s the most practical way to write a program in Curry programming language that would have a console UI with decent line editing?[详细]

2023-02-28 05:49 分类：问答
"foop": a naming convention? It's a helper recursive function for "foo"; what does the suffix "p" mean?

I\'ve come across the following code snippet (a function definition): choose (x:xs) = choosep x xs where choosep x [] = x[详细]

2023-02-16 13:58 分类：问答
Why is the non-deterministic choice function in Curry's std lib not defined straightforwardly but rather with a helper 2-argument function?

Consider a function choose in Curry programming language with the specification that \"(choose xs) non-deterministically chooses one element from the list xs\".[详细]

2023-02-13 22:43 分类：问答
What type systems can prevent goal suspension in logical languages?

From section 3.13.3 of the curry tutorial: Operations that residuate are called rigid , whereas operations that narrow are called flexible. All defined operations are flexible whereas most primitiv[详细]

2023-02-04 10:54 分类：问答
Send copy of class to view class so it can render him? ( iPhone )

I\'m making a game for the iPhone, and I have a class called Robot. Then I have a class called View, which renders everything.[详细]

2022-12-25 17:18 分类：问答