code: public Matrix4f swap(Matrix4f other) {
          MemUtil.INSTANCE.swap(this, other);
          int props = properties;
          this.properties = other.properties();
          other.properties = props;
          return this;
      }
docs: Exchange the values of <code>this</code> matrix with the given <code>other</code> matrix.
  
  @param other
  the other matrix to exchange the values with
  @return this