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Pass parameter as reference in CP.31 example

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Fixes #1207.
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mbuchner
2018-05-08 09:25:01 +02:00
parent 8e327dd4e0
commit 7261f5d2fb
1 changed files with 2 additions and 2 deletions
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CppCoreGuidelines.md
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@@ -14130,12 +14130,12 @@ Defining "small amount" precisely is impossible.
##### Example ##### Example
string modify1(string); string modify1(string);
void modify2(shared_ptr<string>); void modify2(string&);
void fct(string& s) void fct(string& s)
{ {
auto res = async(modify1, s); auto res = async(modify1, s);
async(modify2, &s); async(modify2, s);
} }
The call of `modify1` involves copying two `string` values; the call of `modify2` does not. The call of `modify1` involves copying two `string` values; the call of `modify2` does not.