Is it worth saving the result of the typeof() call for multiple uses?

If I am to use the result of the C# typeof call on the开发者_如何学编程 same type, is it worth saving the value, or just call typeof() multiple times. To me, multiple typeof's are preferable as it can more concise, readable code. I guess it depends on whether the compiler would 'inline' the code?

No, typeof() is a compile-time keyword.

There could be a small benefit in keeping result of object.GetType() in a Type variable.

Update

Type t = typeof(string);

This is what this line is compiled to

IL_0000:  nop
  IL_0001:  ldtoken    [mscorlib]System.String
  IL_0006:  call       class [mscorlib]System.Type [mscorlib]System.Type::GetTypeFromHandle(valuetype [mscorlib]System.RuntimeTypeHandle)
  IL_000b:  stloc.0
  IL_000c:  ldloc.0

So internally, it will use GetTypeFromHandle which I imagine handle here is a pointer to the location of type in the heap.

So there can be a tiny little benefit in calling it once and keeping the reference, although will be minuscule.