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  1. #ifndef VECTOR2_H
  2. #define VECTOR2_H
  3.  
  4. #include <string>
  5.  
  6. template<typename T>
  7. struct Vector2
  8. {
  9. 	T x, y;
  10.  
  11. 	template<typename T>
  12. 	Vector2(T x = 0.0, T y = 0.0) :
  13. 		x(x),
  14. 		y(y)
  15. 	{
  16.  
  17. 	}
  18.  
  19. 	template<typename T>
  20. 	std::string toString() const
  21. 	{
  22. 		char buffer[255];
  23. 		snprintf(buffer, 255, "Vector2[%+.2f %+.2f]", x, y);
  24. 		return std::string(buffer);
  25. 	}
  26.  
  27. 	template<typename T>
  28. 	T operator[](int i) const
  29. 	{
  30. 		return (&x)[i];
  31. 	}
  32.  
  33. 	template<typename T>
  34. 	T & operator[](int i)
  35. 	{
  36. 		return (&x)[i];
  37. 	}
  38.  
  39. 	template<typename T>
  40. 	bool operator==(const Vector2<T> & other) const
  41. 	{
  42. 		return (&*this == &other) || (x == other.x && y == other.y);
  43. 	}
  44.  
  45. 	template<typename T>
  46. 	bool operator!=(const Vector2<T> & other) const
  47. 	{
  48. 		return !(*this == other);
  49. 	}
  50.  
  51. 	template<typename T>
  52. 	Vector2 operator+=(const Vector2<T> & other)
  53. 	{
  54. 		x += other.x;
  55. 		y += other.y;
  56. 		return *this;
  57. 	}
  58.  
  59. 	template<typename T>
  60. 	Vector2 operator+=(const T f)
  61. 	{
  62. 		x += f;
  63. 		y += f;
  64. 		return *this;
  65. 	}
  66.  
  67. 	template<typename T>
  68. 	Vector2 operator-=(const Vector2<T> & other)
  69. 	{
  70. 		x -= other.x;
  71. 		y -= other.y;
  72. 		return *this;
  73. 	}
  74.  
  75. 	template<typename T>
  76. 	Vector2 operator-=(const T f)
  77. 	{
  78. 		x -= f;
  79. 		y -= f;
  80. 		return *this;
  81. 	}
  82.  
  83. 	template<typename T>
  84. 	Vector2 operator*=(const Vector2<T> & other)
  85. 	{
  86. 		x *= other.x;
  87. 		y *= other.y;
  88. 		return *this;
  89. 	}
  90.  
  91. 	template<typename T>
  92. 	Vector2 operator*=(const T f)
  93. 	{
  94. 		x *= f;
  95. 		y *= f;
  96. 		return *this;
  97. 	}
  98.  
  99. 	template<typename T>
  100. 	Vector2 operator/=(const Vector2<T> & other)
  101. 	{
  102. 		x /= other.x;
  103. 		y /= other.y;
  104. 		return *this;
  105. 	}
  106.  
  107. 	template<typename T>
  108. 	Vector2 operator/=(const T f)
  109. 	{
  110. 		x /= f;
  111. 		y /= f;
  112. 		return *this;
  113. 	}
  114.  
  115. 	template<typename T>
  116. 	Vector2 operator+(const Vector2<T> & other) const
  117. 	{
  118. 		return (x + other.x, y + other.y);
  119. 	}
  120.  
  121. 	template<typename T>
  122. 	Vector2 operator+(const T f) const
  123. 	{
  124. 		return (x + f, y + f);
  125. 	}
  126.  
  127. 	template<typename T>
  128. 	Vector2 operator-(const Vector2<T> & other) const
  129. 	{
  130. 		return (x - other.x, y - other.y);
  131. 	}
  132.  
  133. 	template<typename T>
  134. 	Vector2 operator-(const T f) const
  135. 	{
  136. 		return (x - f, y - f);
  137. 	}
  138.  
  139. 	template<typename T>
  140. 	Vector2 operator*(const Vector2<T> & other) const
  141. 	{
  142. 		return (x * other.x, y * other.y);
  143. 	}
  144.  
  145. 	template<typename T>
  146. 	Vector2 operator*(const T f) const
  147. 	{
  148. 		return (x * f, y * f);
  149. 	}
  150.  
  151. 	template<typename T>
  152. 	Vector2 operator/(const Vector2<T> & other) const
  153. 	{
  154. 		return (x / other.x, y / other.y);
  155. 	}
  156.  
  157. 	template<typename T>
  158. 	Vector2 operator/(const T f) const
  159. 	{
  160. 		return (x / f, y / f);
  161. 	}
  162.  
  163. };
  164.  
  165. #endif // VECTOR2_H
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:11:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:19:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:27:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:33:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:39:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:45:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:51:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:59:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:67:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:75:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:83:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:91:11: error: declaration of 'class T'
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           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:99:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:107:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:115:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:121:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:127:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:133:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:139:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:145:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:151:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
prog.cpp:157:11: error: declaration of 'class T'
  template<typename T>
           ^
prog.cpp:6:10: error:  shadows template parm 'class T'
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          ^
stdout
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Standard output is empty
https://ideone.com/nWHtmG
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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