S2Cell.this - multiple declarations

Function S2Cell.this

The default constructor is required in order to use freelists. Cells should otherwise always be constructed explicitly.

this();

Function S2Cell.this

An S2Cell always corresponds to a particular S2CellId. The other constructors are just convenience methods.

this (
  in const(S2CellId) id
);

Function S2Cell.this

Convenience constructors. The S2LatLng must be normalized.

this (
  in const(s2.util.math.vector.Vector!(double,3L)) p
);