Update sorting sample to use slices.Sort instead of sort package
This commit is contained in:
Eli Bendersky
parent
57db236e6c
commit
655a3b6a9e
@ -1,4 +1,4 @@
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// Go's `sort` package implements sorting for builtins
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// Go's `slices` package implements sorting for builtins
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// and user-defined types. We'll look at sorting for
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// builtins first.
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@ -6,26 +6,25 @@ package main
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import (
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"fmt"
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"sort"
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"slices"
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)
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func main() {
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// Sort methods are specific to the builtin type;
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// here's an example for strings. Note that sorting is
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// in-place, so it changes the given slice and doesn't
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// return a new one.
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// Sorting functions are generic, and work for any
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// _ordered_ built-in type. For a list of ordered
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// types, see [cmp.Ordered](https://pkg.go.dev/cmp#Ordered).
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strs := []string{"c", "a", "b"}
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sort.Strings(strs)
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slices.Sort(strs)
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fmt.Println("Strings:", strs)
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// An example of sorting `int`s.
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ints := []int{7, 2, 4}
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sort.Ints(ints)
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slices.Sort(ints)
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fmt.Println("Ints: ", ints)
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// We can also use `sort` to check if a slice is
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// already in sorted order.
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s := sort.IntsAreSorted(ints)
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// We can also use the `slices` package to check if
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// a slice is already in sorted order.
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s := slices.IsSorted(ints)
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fmt.Println("Sorted: ", s)
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}
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@ -1,2 +1,2 @@
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c39a7498686fe1d74f729fd6b21a70bf063abf14
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_gY0tANzJ4l
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2091224c8d8ac748883215c4dbe9611fb8afacc3
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X7iJcIua02T
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@ -1,5 +1,3 @@
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# Running our program prints the sorted string and int
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# slices and `true` as the result of our `AreSorted` test.
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$ go run sorting.go
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Strings: [a b c]
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Ints: [2 4 7]
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29
public/sorting
generated
29
public/sorting
generated
@ -27,7 +27,7 @@
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<tr>
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<td class="docs">
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<p>Go’s <code>sort</code> package implements sorting for builtins
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<p>Go’s <code>slices</code> package implements sorting for builtins
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and user-defined types. We’ll look at sorting for
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builtins first.</p>
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@ -43,7 +43,7 @@ builtins first.</p>
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</td>
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<td class="code leading">
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<a href="https://go.dev/play/p/_gY0tANzJ4l"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
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<a href="https://go.dev/play/p/X7iJcIua02T"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
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<pre class="chroma"><code><span class="line"><span class="cl"><span class="kn">package</span> <span class="nx">main</span></span></span></code></pre>
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</td>
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</tr>
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@ -56,7 +56,7 @@ builtins first.</p>
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<pre class="chroma"><code><span class="line"><span class="cl"><span class="kn">import</span> <span class="p">(</span>
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</span></span><span class="line"><span class="cl"> <span class="s">"fmt"</span>
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</span></span><span class="line"><span class="cl"> <span class="s">"sort"</span>
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</span></span><span class="line"><span class="cl"> <span class="s">"slices"</span>
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</span></span><span class="line"><span class="cl"><span class="p">)</span></span></span></code></pre>
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</td>
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</tr>
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@ -73,16 +73,15 @@ builtins first.</p>
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<tr>
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<td class="docs">
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<p>Sort methods are specific to the builtin type;
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here’s an example for strings. Note that sorting is
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in-place, so it changes the given slice and doesn’t
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return a new one.</p>
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<p>Sorting functions are generic, and work for any
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<em>ordered</em> built-in type. For a list of ordered
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types, see <a href="https://pkg.go.dev/cmp#Ordered">cmp.Ordered</a>.</p>
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</td>
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<td class="code leading">
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">strs</span> <span class="o">:=</span> <span class="p">[]</span><span class="kt">string</span><span class="p">{</span><span class="s">"c"</span><span class="p">,</span> <span class="s">"a"</span><span class="p">,</span> <span class="s">"b"</span><span class="p">}</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">sort</span><span class="p">.</span><span class="nf">Strings</span><span class="p">(</span><span class="nx">strs</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">slices</span><span class="p">.</span><span class="nf">Sort</span><span class="p">(</span><span class="nx">strs</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"Strings:"</span><span class="p">,</span> <span class="nx">strs</span><span class="p">)</span></span></span></code></pre>
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</td>
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</tr>
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@ -95,20 +94,20 @@ return a new one.</p>
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<td class="code leading">
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">ints</span> <span class="o">:=</span> <span class="p">[]</span><span class="kt">int</span><span class="p">{</span><span class="mi">7</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">}</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">sort</span><span class="p">.</span><span class="nf">Ints</span><span class="p">(</span><span class="nx">ints</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">slices</span><span class="p">.</span><span class="nf">Sort</span><span class="p">(</span><span class="nx">ints</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"Ints: "</span><span class="p">,</span> <span class="nx">ints</span><span class="p">)</span></span></span></code></pre>
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</td>
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</tr>
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<tr>
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<td class="docs">
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<p>We can also use <code>sort</code> to check if a slice is
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already in sorted order.</p>
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<p>We can also use the <code>slices</code> package to check if
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a slice is already in sorted order.</p>
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</td>
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<td class="code">
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">s</span> <span class="o">:=</span> <span class="nx">sort</span><span class="p">.</span><span class="nf">IntsAreSorted</span><span class="p">(</span><span class="nx">ints</span><span class="p">)</span>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">s</span> <span class="o">:=</span> <span class="nx">slices</span><span class="p">.</span><span class="nf">IsSorted</span><span class="p">(</span><span class="nx">ints</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"Sorted: "</span><span class="p">,</span> <span class="nx">s</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre>
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</td>
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@ -120,9 +119,7 @@ already in sorted order.</p>
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<tr>
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<td class="docs">
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<p>Running our program prints the sorted string and int
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slices and <code>true</code> as the result of our <code>AreSorted</code> test.</p>
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</td>
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<td class="code">
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@ -148,7 +145,7 @@ slices and <code>true</code> as the result of our <code>AreSorted</code> test.</
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</div>
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<script>
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var codeLines = [];
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codeLines.push('');codeLines.push('package main\u000A');codeLines.push('import (\u000A \"fmt\"\u000A \"sort\"\u000A)\u000A');codeLines.push('func main() {\u000A');codeLines.push(' strs :\u003D []string{\"c\", \"a\", \"b\"}\u000A sort.Strings(strs)\u000A fmt.Println(\"Strings:\", strs)\u000A');codeLines.push(' ints :\u003D []int{7, 2, 4}\u000A sort.Ints(ints)\u000A fmt.Println(\"Ints: \", ints)\u000A');codeLines.push(' s :\u003D sort.IntsAreSorted(ints)\u000A fmt.Println(\"Sorted: \", s)\u000A}\u000A');codeLines.push('');
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codeLines.push('');codeLines.push('package main\u000A');codeLines.push('import (\u000A \"fmt\"\u000A \"slices\"\u000A)\u000A');codeLines.push('func main() {\u000A');codeLines.push(' strs :\u003D []string{\"c\", \"a\", \"b\"}\u000A slices.Sort(strs)\u000A fmt.Println(\"Strings:\", strs)\u000A');codeLines.push(' ints :\u003D []int{7, 2, 4}\u000A slices.Sort(ints)\u000A fmt.Println(\"Ints: \", ints)\u000A');codeLines.push(' s :\u003D slices.IsSorted(ints)\u000A fmt.Println(\"Sorted: \", s)\u000A}\u000A');codeLines.push('');
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</script>
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<script src="site.js" async></script>
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</body>
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