C#•3y ago

❔ Difference between using readonly or { get; }?

The only difference I can think of is that if we use

{ get; }

{ get; }

{ get; }

{ get; } then we are converting from a field to a property; but I'm not so sure about this...

LPeter1997•7/17/23, 7:11 AM

Essentially yes. readonlyreadonly is a field modifier, while

{ get; }

{ get; }

is a get-only property. The major difference usually comes in API. An interface can't declare a readonly field, but it can declare a get-only prop for example that the derived classes can implement however they want. They can be properties with a backing field or computed properties, ...

LPeter1997•7/17/23, 7:11 AM

So your only major difference essentially is API

Sandy StoneOP•7/17/23, 7:13 AM

Alright, thanks!

sibber•7/17/23, 7:39 AM

{ grt; } is a readonly property which generates a readonly backing field

sibber•7/17/23, 7:40 AM

it's convention to use properties target than fields for public things

basically, i am little cat•7/17/23, 12:34 PM

You can also have:

get {
    return Random.Shared.Next(0, 64);
}

get {
    return Random.Shared.Next(0, 64);
}

Which won't be quite read-only

sibber•7/17/23, 1:04 PM

thats is also a readonly property

basically, i am little cat•7/17/23, 1:34 PM

yeah, but its compiled to just get_Whateverget_Whatever method

sibber•7/17/23, 1:38 PM

yeah but its a property

sibber•7/17/23, 1:38 PM

one that you cant set

sibber•7/17/23, 1:38 PM

so, readonly property

basically, i am little cat•7/17/23, 1:48 PM

well its not same as readonly field

sibber•7/17/23, 1:48 PM

yes because its not

basically, i am little cat•7/17/23, 1:48 PM

yeah that was the point

Accord•7/18/23, 2:03 PM

Was this issue resolved? If so, run

/close

/close

otherwise I will mark this as stale and this post will be archived until there is new activity.

❔ Difference between using readonly or { get; }?

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