C#：无法隐式转换类型“System.Collections.Generic.List”<char> &#39; 到 &#39;System.Collections.Generic.List<string> &#39;

Question

I would like to do some kind of console framework and for that I need command and arguments for the command. Here is part of my code:

string str = "I do not know how to fix this problem";
List<string> substringList = str.Split().ToList();
List<string> allArgsExcept1st = str[1..^0].ToList();

The input is type string . The third line throws an error:

Cannot implicitly convert type 'System.Collections.Generic.List<char>' to 'System.Collections.Generic.List<string>'.

I am new to C# so I don't know what to think about this error and how to possibly fix it.

Thank you.

Answer 1

Based on your latest edit:

string str = "I do not know how to fix this problem";
List<string> substringList = str.Split().ToList();
List<string> allArgsExcept1st = str[1..^0].ToList();

The problem you have is here:

str[1..^0].ToList()

When you are using the range/slice function ( [1..^0] ) on your string you are, in return, getting a string . So calling ToList() on that string will give you a List<char> (since a string is also a IEnumerable<char> ) but you are assigning it to a List<string> .

Its unclear what you are ultimately trying to do here, but to fix your problem you just need to change your last line to:

List<char> allArgsExcept1st = str[1..^0].ToList();