Add assignment

Square.cpp

@@ -0,0 +1,126 @@
+#include "Square.hpp"
+
+#include <ostream>
+
+Square::Square(Index index)
+{
+    (void)index;
+}
+
+Square::Optional Square::fromCoordinates(Coordinate file, Coordinate rank) {
+    (void)file;
+    (void)rank;
+    return std::nullopt;
+}
+
+Square::Optional Square::fromIndex(Index index) {
+    (void)index;
+    return std::nullopt;
+}
+
+Square::Optional Square::fromName(const std::string& name) {
+    (void)name;
+    return std::nullopt;
+}
+
+Square::Coordinate Square::file() const {
+    return 0;
+}
+
+Square::Coordinate Square::rank() const {
+    return 0;
+}
+
+Square::Index Square::index() const {
+    return 0;
+}
+
+
+const Square Square::A1 = Square( 0 + 0);
+const Square Square::B1 = Square( 0 + 1);
+const Square Square::C1 = Square( 0 + 2);
+const Square Square::D1 = Square( 0 + 3);
+const Square Square::E1 = Square( 0 + 4);
+const Square Square::F1 = Square( 0 + 5);
+const Square Square::G1 = Square( 0 + 6);
+const Square Square::H1 = Square( 0 + 7);
+
+const Square Square::A2 = Square( 8 + 0);
+const Square Square::B2 = Square( 8 + 1);
+const Square Square::C2 = Square( 8 + 2);
+const Square Square::D2 = Square( 8 + 3);
+const Square Square::E2 = Square( 8 + 4);
+const Square Square::F2 = Square( 8 + 5);
+const Square Square::G2 = Square( 8 + 6);
+const Square Square::H2 = Square( 8 + 7);
+
+const Square Square::A3 = Square(16 + 0);
+const Square Square::B3 = Square(16 + 1);
+const Square Square::C3 = Square(16 + 2);
+const Square Square::D3 = Square(16 + 3);
+const Square Square::E3 = Square(16 + 4);
+const Square Square::F3 = Square(16 + 5);
+const Square Square::G3 = Square(16 + 6);
+const Square Square::H3 = Square(16 + 7);
+
+const Square Square::A4 = Square(24 + 0);
+const Square Square::B4 = Square(24 + 1);
+const Square Square::C4 = Square(24 + 2);
+const Square Square::D4 = Square(24 + 3);
+const Square Square::E4 = Square(24 + 4);
+const Square Square::F4 = Square(24 + 5);
+const Square Square::G4 = Square(24 + 6);
+const Square Square::H4 = Square(24 + 7);
+
+const Square Square::A5 = Square(32 + 0);
+const Square Square::B5 = Square(32 + 1);
+const Square Square::C5 = Square(32 + 2);
+const Square Square::D5 = Square(32 + 3);
+const Square Square::E5 = Square(32 + 4);
+const Square Square::F5 = Square(32 + 5);
+const Square Square::G5 = Square(32 + 6);
+const Square Square::H5 = Square(32 + 7);
+
+const Square Square::A6 = Square(40 + 0);
+const Square Square::B6 = Square(40 + 1);
+const Square Square::C6 = Square(40 + 2);
+const Square Square::D6 = Square(40 + 3);
+const Square Square::E6 = Square(40 + 4);
+const Square Square::F6 = Square(40 + 5);
+const Square Square::G6 = Square(40 + 6);
+const Square Square::H6 = Square(40 + 7);
+
+const Square Square::A7 = Square(48 + 0);
+const Square Square::B7 = Square(48 + 1);
+const Square Square::C7 = Square(48 + 2);
+const Square Square::D7 = Square(48 + 3);
+const Square Square::E7 = Square(48 + 4);
+const Square Square::F7 = Square(48 + 5);
+const Square Square::G7 = Square(48 + 6);
+const Square Square::H7 = Square(48 + 7);
+
+const Square Square::A8 = Square(56 + 0);
+const Square Square::B8 = Square(56 + 1);
+const Square Square::C8 = Square(56 + 2);
+const Square Square::D8 = Square(56 + 3);
+const Square Square::E8 = Square(56 + 4);
+const Square Square::F8 = Square(56 + 5);
+const Square Square::G8 = Square(56 + 6);
+const Square Square::H8 = Square(56 + 7);
+
+std::ostream& operator<<(std::ostream& os, const Square& square) {
+    (void)square;
+    return os;
+}
+
+bool operator<(const Square& lhs, const Square& rhs) {
+    (void)lhs;
+    (void)rhs;
+    return false;
+}
+
+bool operator==(const Square& lhs, const Square& rhs) {
+    (void)lhs;
+    (void)rhs;
+    return false;
+}