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book: wrap code

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Fixes #186
This commit is contained in:
Changkun Ou
2021-08-11 12:41:16 +02:00
parent 6f5615b971
commit 309f1f3731
2 changed files with 10 additions and 4 deletions
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7
book/en-us/02-usability.md
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@@ -312,7 +312,8 @@ be used as a formal parameter of a normal function, for example:
```Cpp ```Cpp
public: public:
void foo(std::initializer_list<int> list) { void foo(std::initializer_list<int> list) {
for (std::initializer_list<int>::iterator it = list.begin(); it != list.end(); ++it) vec.push_back(*it); for (std::initializer_list<int>::iterator it = list.begin();
it != list.end(); ++it) vec.push_back(*it);
} }
magicFoo.foo({6,7,8,9}); magicFoo.foo({6,7,8,9});
@@ -1046,7 +1047,9 @@ And we want to get the value of the enumeration value, we will have to explicitl
```cpp ```cpp
#include <iostream> #include <iostream>
template<typename T> template<typename T>
std::ostream& operator<<(typename std::enable_if<std::is_enum<T>::value, std::ostream>::type& stream, const T& e) std::ostream& operator<<(
typename std::enable_if<std::is_enum<T>::value,
std::ostream>::type& stream, const T& e)
{ {
return stream << static_cast<typename std::underlying_type<T>::type>(e); return stream << static_cast<typename std::underlying_type<T>::type>(e);
} }

7
book/zh-cn/02-usability.md
View File

@@ -258,7 +258,8 @@ int main() {
```Cpp ```Cpp
public: public:
void foo(std::initializer_list<int> list) { void foo(std::initializer_list<int> list) {
for (std::initializer_list<int>::iterator it = list.begin(); it != list.end(); ++it) vec.push_back(*it); for (std::initializer_list<int>::iterator it = list.begin();
it != list.end(); ++it) vec.push_back(*it);
} }
magicFoo.foo({6,7,8,9}); magicFoo.foo({6,7,8,9});
@@ -964,7 +965,9 @@ if (new_enum::value3 == new_enum::value4) {
```cpp ```cpp
#include <iostream> #include <iostream>
template<typename T> template<typename T>
std::ostream& operator<<(typename std::enable_if<std::is_enum<T>::value, std::ostream>::type& stream, const T& e) std::ostream& operator<<(
typename std::enable_if<std::is_enum<T>::value,
std::ostream>::type& stream, const T& e)
{ {
return stream << static_cast<typename std::underlying_type<T>::type>(e); return stream << static_cast<typename std::underlying_type<T>::type>(e);
} }