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Operators

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Lucas Vos edited this page Jul 16, 2014 · 4 revisions

Operator overloading

in C# operators can be overloaded, which is not supported in Typescript. To mimic this behaviour, we use a convention based approach, along with some helper methods.

Resulting in this kind of coding C# sample

var P1 = new Point(1,1);
var P2 = new Point(3,3);
var P = P1 + P2;

In Typescript

var P1 = new Point(1,1);
var P2 = new Point(3,3);
var P = Ops.Add(P1 , P2);

There are a couple of operator groups

  • Unary operators
  • Binary operators
  • Explicit
  • Implicit

op_Incerement op_Decrement

Binary operators

Use the following naming conventions to

+, -, *, /, %, &, |, ^, <<, >>

  • op_Addition
  • op_Substraction
  • op_Multiplication
  • op_Division
  • op_Modulus
  • op_GreaterThan
  • op_GreaterThanOrEqual
  • op_LessThan
  • op_LessThenOrEqual
  • op_And
  • op_Or
  • op_Xor
  • op_RightShift
  • op_LeftShift

Registering an Enumaration to the system is done by typing System.Type.registerEnum and the enumaration and after the comma you type the string name.

Sample

module System
{
    export enum SampleColor
    {
        Red,
        White,
    } 

    System.Type.registerEnum(SampleColor, "System.SampleColor");

}
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