Singleton classes

SystemVerilog
,
1

Using the following example, I would like to understand how a singleton object is created.

class singleton;
  int len;
  static singleton objSingle;
  local function new (int len=0);
  this.len = len;
endfunction : new
 
function void print_len ();
  $display("Len is = %d", len);
  endfunction : print_len
 
  static function singleton create (int len=0);
  if (objSingle == null) begin
    $display("Object is null creating new object \n");
    objSingle = new(len);
  end
  return objSingle;
endfunction : create
endclass

In the above example, is singleton class created using user defined method like create and not using new?

2

In reply to verif_learner:

yes.