Method edgeAtLeft

czxing/src/main/cpp/zxing/src/BitMatrixCursor.h:91–91

	Value edgeAtFront() const noexcept { return edgeAt(front()); }
	Value edgeAtBack() const noexcept { return edgeAt(back()); }
	Value edgeAtLeft() const noexcept { return edgeAt(left()); }
	Value edgeAtRight() const noexcept { return edgeAt(right()); }
	Value edgeAt(Direction dir) const noexcept { return edgeAt(direction(dir)); }