Webcsharp / C# 将linq join查询拆分为两个选定列表，并使用元组返回这两个列表 ... .Contains(searchProduct.ToLower())); } // split s as List and p as List to tuple output return Tuple.Create(new List(), new List() ); } } 在查询结果中，我看到了s和p，但是如何将它们精确地表示 ... WebFirst, you can just use a List> Second, Your list is only in scope within the curly braces { } of the if (currid == 0) statement. That means it does not exist outside there, so you need to declare it outside of the if. Then, you can use Add. But also note that Tuple has a Factory method:

C# Tuple - GeeksforGeeks

WebSep 24, 2024 · If you want to mutate the list, you can have to fetch the tuple, mutate it, then put it back: var tuple = arr1 [0]; tuple.Item1++; arr1 [0] = tuple; Note that this also explains why you can't use list access expressions as arguments for ref parameters, but you can do the equivalent for arrays: incentive\\u0027s 97

Initialize a List of Tuples in C# Delft Stack

WebMar 8, 2024 · The C# language provides built-in support for tuples. You can provide a tuple as an argument to a lambda expression, and your lambda expression can also return a tuple. In some cases, the C# compiler uses type inference to … WebDec 5, 2024 · C# Tuple. A C# tuple is a comma-separated list of elements enclosed in parentheses. Tuples can contain 0 or more elements, including nested tuples. A tuple … Web基本上，我的结构是这样制作的： List> myList = new List>(); **** private void FillStructure() { myList.Add(Tuple.Create("A", "B")); myList.Add(Tu. 我需要从元组列表中查找并删除重复项。 基本上，我的结构是这样制作的： incentive\\u0027s 8o