C#•14mo ago

❔ Learning C#, and curious about advanced return statements...

I'm jumping right into the depts and wish to return a new object of 'Buffer' type and construct it with lambda. The instruction should be to create Buffer object and write .txt file to Buffer.contents. Can someone teach me how to make that happen with a single statement?

using System.IO;

public struct Buffer
{
    public string[] contents;
}

public Buffer ReadFromFile(System.IO.File _file)
{
    return &Buffer();() => _file.ToString();
}

using System.IO;

public struct Buffer
{
    public string[] contents;
}

public Buffer ReadFromFile(System.IO.File _file)
{
    return &Buffer();() => _file.ToString();
}

(new to C#, so please be gentle)

17 Replies

Henkypenky•14mo ago

this seems not that beginner friendly for c# you can't pass a File as a parameter, it's static you can probably pass a path and then do var file = File.ReadAllBytes(path); this will give you a byte array

atakancracker•14mo ago

If you are looking a class that can be initialized with parameter as lambda, that means constructor is accepting a delegate/action

Henkypenky•14mo ago

also the built-in type Buffer is static

atakancracker•14mo ago

for example

Henkypenky•14mo ago

you can't instantiate it and it's pretty stupid to have a struct for it which is just an string array you might aswell just have an string array only

atakancracker•14mo ago

same example without lambda

Owl•14mo ago

Yes, it is probably pretty stupid. The intention was as an example, but thank you. And okay, I see. Thanks!

Henkypenky•14mo ago

forget about simple statements, they are hard to understand if they are not a requirement also the built-in Buffer is enough for your needs

Owl•14mo ago

The question wasn't so much related to "buffer" type, but to whether it was possible to instantiate a new object, like in Golang you do:

return &type{a:"", b:""}

return &type{a:"", b:""}

for example

Henkypenky•14mo ago

you can, as long as it's not declared as static

Owl•14mo ago

Ah, yeh that makes sense.

Henkypenky•14mo ago

the built-in Buffer and File can't be instantiated think of them as extensions like File.ReadAllBytes

Owl•14mo ago

Yes, i understand you

Henkypenky•14mo ago

and Buffer.GetX

Owl•14mo ago

Yeh, thanks! I understood m8 😉

Henkypenky•14mo ago

for simplicity: static = belongs to the type non static = specific object

Accord•14mo ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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❔ Learning C#, and curious about advanced return statements...