gcc/testsuite/gdc.test/compilable/test15019.d

   1 // https://issues.dlang.org/show_bug.cgi?id=15019
   2 // dmd -m32 -c all.d
   3
   4 import std.string;
   5
   6 struct Color()
   7 {
   8     static fromHex(char[] s)
   9     {
  10         import std.conv;
  11         s.to!ubyte;
  12     }
  13 }
  14
  15 Color!() RGB    ;
  16
  17 struct Matrix(T, int R, int C)
  18 {
  19         Vector!(T, C) row_t;
  20         T[C] v;        // all elements
  21
  22         /// Covnerts to pretty string.
  23         string toString() const
  24         {
  25             try
  26                 return format("%s", v);
  27             catch
  28                 assert(false); // should not happen since format is right
  29         }
  30 }
  31
  32 // GLSL is a big inspiration here
  33 // we defines types with more or less the same names
  34 template mat2x2(T) { Matrix!(T, 2, 2) mat2x2; }
  35 template mat3x3(T) { Matrix!(T, 3, 3) mat3x3; }
  36 template mat4x4(T) { Matrix!(T, 4, 4) mat4x4; }
  37
  38 alias mat2x2 mat2;
  39 alias mat3x3 mat3;  // shorter names for most common matrices
  40 alias mat4x4 mat4;
  41
  42 string definePostfixAliases(string type)
  43 {
  44     return "alias " ~ type ~ "!byte "   ~ type ~ "b;\n"
  45 "alias " ~ type ~ "!ubyte "  ~ type ~ "ub;\n"
  46 "alias " ~ type ~ "!short "  ~ type ~ "s;\n"
  47 "alias " ~ type ~ "!ushort " ~ type ~ "us;\n"
  48 "alias " ~ type ~ "!int "    ~ type ~ "i;\n"
  49 "alias " ~ type ~ "!uint "   ~ type ~ "ui;\n"
  50 "alias " ~ type ~ "!long "   ~ type ~ "l;\n"
  51 "alias " ~ type ~ "!ulong "  ~ type ~ "ul;\n"
  52 "alias " ~ type ~ "!float "  ~ type ~ "f;\n"
  53 "alias " ~ type ~ "!double " ~ type ~ "d;\n";
  54 }
  55
  56 // define a lot of type names
  57 mixin(definePostfixAliases("mat2"));
  58 mixin(definePostfixAliases("mat3"));
  59 mixin(definePostfixAliases("mat4"));
  60 import std.string;
  61
  62 struct Vector(T, int N)
  63 {
  64     T[N] v;
  65
  66     string toString()
  67     {
  68         try
  69             return format("%s", v);
  70         catch
  71             assert(false);
  72     }
  73 }
  74