Mark Pearl

Constructor Overloads

var a = new TimeSpan(5);  
var b = new TimeSpan(0, 0, 5);  
var c = new TimeSpan(0, 5, 0);  
var d = new TimeSpan(0, 0, 0, 5);  

Achieving the same thing with static named constructors

var a = TimeSpan.FromTicks(5);  
var b = TimeSpan.FromSeconds(5);  
var c = TimeSpan.FromMinutes(5);  
var d = TimeSpan.FromHours(5);  

Key Components

  • Factory method must be public, static and return an instance of the class in which it is defined
  • Giving Static Named Constructors meaningful names removes the ambiguity that we see with normal constructor overloads


Cleaner Code with Static Factory Methods

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