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[#1946] T.65 Fix two typos (#1956)

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Fixes #1946:
 - copy_trait type argument needs to be a container element type.
   Use Value_type<Iter> like in other examples.

 - Fix name typo in the definition of copy_helper.
This commit is contained in:
Nikolay Panov
2022-08-08 20:08:45 +04:00
committed by GitHub
parent 444704f703
commit be1722ad0c
1 changed files with 2 additions and 2 deletions
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CppCoreGuidelines.md
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@@ -18248,7 +18248,7 @@ This is a simplified version of `std::copy` (ignoring the possibility of non-con
template<class Iter> template<class Iter>
Out copy(Iter first, Iter last, Iter out) Out copy(Iter first, Iter last, Iter out)
{ {
return copy_helper(first, last, out, typename copy_trait<Iter>::tag{}) return copy_helper(first, last, out, typename copy_trait<Value_type<Iter>>::tag{})
} }
void use(vector<int>& vi, vector<int>& vi2, vector<string>& vs, vector<string>& vs2) void use(vector<int>& vi, vector<int>& vi2, vector<string>& vs, vector<string>& vs2)
@@ -18264,7 +18264,7 @@ This is a general and powerful technique for compile-time algorithm selection.
When `concept`s become widely available such alternatives can be distinguished directly: When `concept`s become widely available such alternatives can be distinguished directly:
template<class Iter> template<class Iter>
requires Pod<Value_type<iter>> requires Pod<Value_type<Iter>>
Out copy_helper(In, first, In last, Out out) Out copy_helper(In, first, In last, Out out)
{ {
// use memmove // use memmove