Why C# does not require explicit casting for convert Long To Double?

Question

At first, sorry for my bad english. I have fragment of code:

long x = 9223372036854775807L;
double f = x;
Console.WriteLine(x);           
Console.WriteLine(f);
         


        

Answer 1

try this

long x = 9223372036854775807L;
decimal f = x;
Console.WriteLine(x);
Console.WriteLine(f);