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35 changes: 28 additions & 7 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -188,7 +188,7 @@ len(arr) == 2

##### c++
```c++
sizeof arr /sizeof(arr[0]) == 2;
sizeof(arr)/sizeof(arr[0]) == 2;
// C++ 11
int length = std::end(arr) - std::begin(arr);
```
Expand Down Expand Up @@ -579,8 +579,9 @@ else { }

##### c++
```c++


if (true) {
} else if (true) {
} else { }

```

Expand Down Expand Up @@ -621,15 +622,35 @@ for _, value := range array {}
##### c++
```c++
// 普通for循环

for( int a = 1; a < 10; a ++ )
{
}
// 仅判断

for(; a < 10;) {}
// 无限循环

for( ; ; )
{
}
// 遍历索引
for (int i = 0; i < sizeof(arr)/sizeof(arr[0]); i++)

// 遍历元素

for (int i = 0; i < sizeof(arr)/sizeof(arr[0]); i++)
{
int v = arr[i]
}
// C++ 11
for (auto v : arr)
for (const int& v : arr)
for (auto&& v : arr)
// using for_each
std::vector<int> varr(arr, arr + sizeof(arr)/sizeof(arr[0]));
std::for_each(varr.begin(), varr.end(), [](int &v){
std::cout << " " << v;
});
std::for_each(varr.cbegin(), varr.cend(), [](const int &v){
std::cout << " " << v;
});
```


Expand Down
35 changes: 28 additions & 7 deletions data/data.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ bool f = false;
int arr[2] = {1, 2};
int arr[] {1, 2};
// - 数组-获取长度
sizeof arr /sizeof(arr[0]) == 2;
sizeof(arr)/sizeof(arr[0]) == 2;
// C++ 11
int length = std::end(arr) - std::begin(arr);
// - 数组-遍历
Expand Down Expand Up @@ -125,20 +125,41 @@ std::ssub_match capture1Res = submatch[1];
std::string capture1Res = capture1Res.str();
// capture1 === 'b'
// - 条件


if (true) {
} else if (true) {
} else { }

// - 循环-for
// 普通for循环

for( int a = 1; a < 10; a ++ )
{
}
// 仅判断

for(; a < 10;) {}
// 无限循环

for( ; ; )
{
}
// 遍历索引
for (int i = 0; i < sizeof(arr)/sizeof(arr[0]); i++)

// 遍历元素

for (int i = 0; i < sizeof(arr)/sizeof(arr[0]); i++)
{
int v = arr[i]
}
// C++ 11
for (auto v : arr)
for (const int& v : arr)
for (auto&& v : arr)
// using for_each
std::vector<int> varr(arr, arr + sizeof(arr)/sizeof(arr[0]));
std::for_each(varr.begin(), varr.end(), [](int &v){
std::cout << " " << v;
});
std::for_each(varr.cbegin(), varr.cend(), [](const int &v){
std::cout << " " << v;
});
// - 循环-while

// - 选择-switch
Expand Down
35 changes: 28 additions & 7 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -131,7 +131,7 @@
int arr[] {1, 2};</code></pre></div></div></div></div>
</div><div class="line">
<div class="class" style="padding-right: 0px">获取长度</div>
<div class="child"><div class="line"><div class="lang"><div class="code"><pre><code class="typescript">arr.length === 2</code></pre></div></div><div class="lang"><div class="code"><pre><code class="golang">len(arr) == 2</code></pre></div></div><div class="lang"><div class="code"><pre><code class="c++">sizeof arr /sizeof(arr[0]) == 2;
<div class="child"><div class="line"><div class="lang"><div class="code"><pre><code class="typescript">arr.length === 2</code></pre></div></div><div class="lang"><div class="code"><pre><code class="golang">len(arr) == 2</code></pre></div></div><div class="lang"><div class="code"><pre><code class="c++">sizeof(arr)/sizeof(arr[0]) == 2;
// C++ 11
int length = std::end(arr) - std::begin(arr);</code></pre></div></div></div></div>
</div><div class="line">
Expand Down Expand Up @@ -302,8 +302,9 @@
} else if (true) {
} else { }</code></pre></div></div><div class="lang"><div class="code"><pre><code class="golang">if true {}
else if true {}
else { }</code></pre></div></div><div class="lang"><div class="code"><pre><code class="c++">

else { }</code></pre></div></div><div class="lang"><div class="code"><pre><code class="c++">if (true) {
} else if (true) {
} else { }
</code></pre></div></div></div></div>
</div><div class="line">
<div class="class" style="">循环</div>
Expand All @@ -329,15 +330,35 @@
for index, _ := range array {}
// 遍历元素
for _, value := range array {}</code></pre></div></div><div class="lang"><div class="code"><pre><code class="c++">// 普通for循环

for( int a = 1; a &lt; 10; a ++ )
{
}
// 仅判断

for(; a &lt; 10;) {}
// 无限循环

for( ; ; )
{
}
// 遍历索引
for (int i = 0; i &lt; sizeof(arr)/sizeof(arr[0]); i++)

// 遍历元素
</code></pre></div></div></div></div>
for (int i = 0; i &lt; sizeof(arr)/sizeof(arr[0]); i++)
{
int v = arr[i]
}
// C++ 11
for (auto v : arr)
for (const int& v : arr)
for (auto&& v : arr)
// using for_each
std::vector&lt;int&gt; varr(arr, arr + sizeof(arr)/sizeof(arr[0]));
std::for_each(varr.begin(), varr.end(), [](int &v){
std::cout &lt;&lt; " " &lt;&lt; v;
});
std::for_each(varr.cbegin(), varr.cend(), [](const int &v){
std::cout &lt;&lt; " " &lt;&lt; v;
});</code></pre></div></div></div></div>
</div><div class="line">
<div class="class" style="padding-right: 0px">while</div>
<div class="child"><div class="line"><div class="lang"><div class="code"><pre><code class="typescript">while(Math.random()&lt;0.5) {}</code></pre></div></div><div class="lang"><div class="code"><pre><code class="golang">for i&lt;10 {}</code></pre></div></div><div class="lang"><div class="code"><pre><code class="c++"></code></pre></div></div></div></div>
Expand Down