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Use a variable in the erroring constexpr example …

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I don't see why it'd fail otherwise, so I assume the "2" was a typo

Also add a missing "f" to "side effect"
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ven 2015-09-20 01:38:53 +02:00
parent 6845e84f0b
commit e4e22f9e48
1 changed files with 2 additions and 2 deletions
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@ -1793,10 +1793,10 @@ it just guarantees that the function can be evaluated at compile time for consta
int m1 = min(-1,2); // probably compile-time evaluation int m1 = min(-1,2); // probably compile-time evaluation
constexpr int m2 = min(-1,2); // compile-time evaluation constexpr int m2 = min(-1,2); // compile-time evaluation
int m3 = min(-1,v); // run-time evaluation int m3 = min(-1,v); // run-time evaluation
constexpr int m4 = min(-1,2); // error: connot evaluate at compile-time constexpr int m4 = min(-1,v); // error: connot evaluate at compile-time
} }
**Note**: `constexpr` functions are pure: they can have no sideefects. **Note**: `constexpr` functions are pure: they can have no side effects.
int dcount = 0; int dcount = 0;
constexpr int double(int v) constexpr int double(int v)