new-env
      
      
        
          | Last change
 on this file since b60f9d9 was             240e1ff, checked in by Rob Schluntz <rschlunt@…>, 8 years ago | 
        
          | 
added a simple test for generic unions
 | 
        
          | 
              
Property                 mode
 set to                 100644 | 
        
          | File size:
            492 bytes | 
      
      
| Line |  | 
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| 1 | #include <limits> | 
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| 2 |  | 
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| 3 | forall(otype T) | 
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| 4 | union ByteView { | 
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| 5 | T val; | 
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| 6 | char bytes[(sizeof(int))]; // want to change to sizeof(T) | 
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| 7 | }; | 
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| 8 |  | 
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| 9 | forall(otype T) | 
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| 10 | void print(ByteView(T) x) { | 
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| 11 | for (int i = 0; i < sizeof(int); i++) { // want to change to sizeof(T) | 
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| 12 | printf("%02x", x.bytes[i] & 0xff); | 
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| 13 | } | 
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| 14 | } | 
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| 15 |  | 
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| 16 | forall(otype T) | 
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| 17 | void f(ByteView(T) x, T val) { | 
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| 18 | print(x); | 
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| 19 | printf(" "); | 
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| 20 | x.val = val; | 
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| 21 | print(x); | 
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| 22 | printf("\n"); | 
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| 23 | } | 
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| 24 |  | 
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| 25 | int main() { | 
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| 26 | ByteView(unsigned) u = { 0 }; | 
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| 27 | ByteView(int) i = { 0 }; | 
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| 28 | f(u, MAX); | 
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| 29 | f(i, -1); | 
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| 30 | } | 
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