ml

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How to make this ml procedure

I have this code: datatype \'a tree = Leaf of \'a | Node of \'a * \'a tree * \'a tree | Nil; val rec tree_sum = fn(f,e,Nil) => e[详细]

2023-03-09 17:05 分类：问答
ml datatype (with primitive functions) how to make?

i have this datatype datatype e = X | Const of int | P 开发者_StackOverflow中文版of e*e | S of e*e | M of e*e | D of e*e;[详细]

2023-03-09 13:24 分类：问答
Standard ML: Naming datatypes of function arguments possible?

I\'m new to ML and with to have a function that receives a special pre-defined datatype, and able to reference to its entire argument datatype, rather its components.[详细]

2023-03-09 11:07 分类：问答
infinite sequence in SML

I have to code a function that receives a sequence (finite or infinite) and returns an identical sequencewith the only difference that if an exception occurs during the sequence then the function ret[详细]

2023-03-07 11:51 分类：问答
Refactoring Browser

Ok, a while ago I read about a Re-factoring Browser for I think, Lisp (or maybe it was smalltalk). This was a tool to help with re-factoring.[详细]

2023-03-04 15:15 分类：问答
What are the primary theoretical difficulties with adding ML-style modules to Haskell?

It is well known that Haskell-style typeclasses and ML-style modules offer different mechanisms for specifying interfaces. They are (possibly) equivalent in power, but in practice each has their own b[详细]

2023-02-26 15:26 分类：问答
发动机排量1498ml是什么意思？

董加贝 2021-05-28 19:28 开发者_如何学Python相差2ml，可以忽略不计M37****1458 2021-05-28 19:33[详细]

2023-02-23 09:53 分类：问答
6500ml脂肪等于多少斤（5000ml脂肪是多少斤）？

大家好，小生来为大家讲解下。6500ml脂肪等于多少斤，5000ml脂肪是多少斤很多人还不知道，现在让我们一起来看看吧！[详细]

2023-02-22 06:47 分类：问答
Differences between data/type constructors and functions?

Could anyone explain to me what are the differences between data/type constructors and functions? Haskell mix 开发者_开发百科them and give us a universal interface (all looks like functions, in partic[详细]

2023-02-18 04:39 分类：问答
Does F# have a AND in types or a type hierarchy with parent Number?

I want t开发者_运维技巧o define a list of ints and floats, where [1,2.0] should be a valid construction.[详细]

2023-02-16 08:19 分类：问答