Solidity Shape Calculator Contract: Rectangle Area and Perimeter

pragma solidity >=0.4.0 <0.6.0;

/**

• @title Shape calculator. / contract ShapeCalculator { /*
  • @dev Calculates a rectangle's surface and perimeter.
  • @param w Width of the rectangle.
  • @param h Height of the rectangle.
  • @return s The calculated surface.
  • @return p The calculated perimeter. */ function rectangle(uint w, uint h) public pure returns (uint s, uint p) { s = w * h; p = 2 * (w + h); } }