This commit is contained in:
Mark McGranaghan 2015-02-24 19:13:33 -08:00
parent 446bd9fb2c
commit 518a807773
17 changed files with 65 additions and 33 deletions

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@ -1,2 +1,2 @@
a22c44511e84451cca813659f3803fb7ae48dab0
9xlvGqQjhl
e2ba0461c090789168c712cc7ed0f66aab09a8c8
NASEOq2R3n

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@ -1,2 +1,2 @@
ae75526fdd970c450fa3ed52c70cf400a45d0770
iEAD2cYC-h
b527bbb76a42dd4bae541b73a7377b7e83e79905
neqdJ51KLN

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@ -1,2 +1,2 @@
19cac21e4a057e8335ce78a30de9a43c2b18d522
2EXoOWfGf_
ae669923c20e5ebf4a7b4b11b8fdf2972accf9e2
9Nky-Dn49f

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@ -1,2 +1,2 @@
4187a4268be1cd85fdd6e9a211d1e4f534666ad6
p_ykufAYRj
89b78f3378e1a574ddfd0260a0404a962852eff8
g-aqMz0Ivf

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@ -1,2 +1,2 @@
62b0562c92dd84ecb9408df4c517031d75b1e337
C0_kuFx3ET
f7ce9724ab51b3e90b8d04cf88eaaa8cf2dfd50e
X973CNW5aa

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@ -1,2 +1,2 @@
0ebd0a44997fe20d3fa0caa8b5f2cfa96ff1db13
7bnr2EXlxK
7cde6b9af5cf6c47606001dd54eee468a6c61dbb
YeSiBTfhFq

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@ -1,2 +1,2 @@
fece72ed980c2ee55b3f1d5d8e8d83aed81dc814
qayRuqXHym
5f39ae6d8f26d59a688a9a9d7d13a5c1d0f7a08b
JJAAFGxHVq

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@ -1,2 +1,2 @@
52b9bc757a1de989f28665c86ac1f84e17fc0ffc
SGS6wIVnDd
1f9962260f5c92efe57db0b96099b3dd06c90333
BFw556nWcM

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@ -42,7 +42,7 @@ command-line flag.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/9xlvGqQjhl"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/NASEOq2R3n"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -145,7 +145,7 @@ to execute the command-line parsing.</p>
<td class="docs">
<p>Here we&rsquo;ll just dump out the parsed options and
any trailing positional arguments. Note that we
need to dereference the points with e.g. <code>*wordPtr</code>
need to dereference the pointers with e.g. <code>*wordPtr</code>
to get the actual option values.</p>
</td>

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@ -121,7 +121,7 @@ get the key and value. Here we print all the keys.</p>
<tr>
<td class="docs">
<p>Running the program shows that we pick up the value
value for <code>FOO</code> that we set in the program, but that
for <code>FOO</code> that we set in the program, but that
<code>BAR</code> is empty.</p>
</td>

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@ -47,7 +47,7 @@ function.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/iEAD2cYC-h"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/neqdJ51KLN"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -132,7 +132,7 @@ environment.</p>
<tr>
<td class="docs">
<p>Here&rsquo;s the actual <code>os.Exec</code> call. If this call is
<p>Here&rsquo;s the actual <code>syscall.Exec</code> call. If this call is
successful, the execution of our process will end
here and be replaced by the <code>/bin/ls -a -l -h</code>
process. If there is an error we&rsquo;ll get a return

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@ -40,7 +40,7 @@ functions with a few different examples.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/2EXoOWfGf_"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/9Nky-Dn49f"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -89,6 +89,24 @@ expression.</p>
</td>
</tr>
<tr>
<td class="docs">
<p>When you have multiple consecutive parameters of
the same type, you may omit the type name for the
like-typed parameters up to the final parameter that
declares the type.</p>
</td>
<td class="code leading">
<div class="highlight"><pre><span class="kd">func</span> <span class="nx">plusPlus</span><span class="p">(</span><span class="nx">a</span><span class="p">,</span> <span class="nx">b</span><span class="p">,</span> <span class="nx">c</span> <span class="kt">int</span><span class="p">)</span> <span class="kt">int</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">a</span> <span class="o">+</span> <span class="nx">b</span> <span class="o">+</span> <span class="nx">c</span>
<span class="p">}</span>
</pre></div>
</td>
</tr>
<tr>
<td class="docs">
@ -107,10 +125,23 @@ expression.</p>
<code>name(args)</code>.</p>
</td>
<td class="code">
<td class="code leading">
<div class="highlight"><pre> <span class="nx">res</span> <span class="o">:=</span> <span class="nx">plus</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nx">Println</span><span class="p">(</span><span class="s">&quot;1+2 =&quot;</span><span class="p">,</span> <span class="nx">res</span><span class="p">)</span>
</pre></div>
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code">
<div class="highlight"><pre> <span class="nx">res</span> <span class="p">=</span> <span class="nx">plusPlus</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">)</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nx">Println</span><span class="p">(</span><span class="s">&quot;1+2+3 =&quot;</span><span class="p">,</span> <span class="nx">res</span><span class="p">)</span>
<span class="p">}</span>
</pre></div>
@ -129,6 +160,7 @@ expression.</p>
<div class="highlight"><pre><span class="gp">$</span> go run functions.go
<span class="go">1+2 = 3</span>
<span class="go">1+2+3 = 6</span>
</pre></div>
</td>

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@ -40,7 +40,7 @@ straight-forward.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/p_ykufAYRj"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/g-aqMz0Ivf"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -128,7 +128,7 @@ branches.</p>
<tr>
<td class="docs">
<p>Note that you don&rsquo;t need parentheses around conditions
in Go, but that the brackets are required.</p>
in Go, but that the braces are required.</p>
</td>
<td class="code empty">

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@ -41,7 +41,7 @@ generation.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/C0_kuFx3ET"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/X973CNW5aa"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -136,7 +136,7 @@ give it a well-known seed.</p>
<tr>
<td class="docs">
<p>Call the resulting <code>rand.Source</code> just like the
<p>Call the resulting <code>rand.Rand</code> just like the
functions on the <code>rand</code> package.</p>
</td>

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@ -41,7 +41,7 @@ in Go.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/7bnr2EXlxK"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/YeSiBTfhFq"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -132,7 +132,7 @@ a match test like we saw earlier.</p>
<tr>
<td class="docs">
<p>The also finds the first match but returns the
<p>This also finds the first match but returns the
start and end indexes for the match instead of the
matching text.</p>

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@ -41,7 +41,7 @@ common string formatting tasks.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/qayRuqXHym"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/JJAAFGxHVq"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -269,7 +269,7 @@ different versions of) scientific notation.</p>
<tr>
<td class="docs">
<p>As with integers as seen earlier, <code>%x</code> renders
<p>As with integers seen earlier, <code>%x</code> renders
the string in base-16, with two output characters
per byte of input.</p>

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@ -40,7 +40,7 @@ pattern-based layouts.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/SGS6wIVnDd"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/BFw556nWcM"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -107,7 +107,7 @@ constant.</p>
<tr>
<td class="docs">
<p><code>Format</code> and <code>Parse</code> uses example-based layouts. Usually
<p><code>Format</code> and <code>Parse</code> use example-based layouts. Usually
you&rsquo;ll use a constant from <code>time</code> for these layouts, but
you can also supply custom layouts. Layouts must use the
reference time <code>Mon Jan 2 15:04:05 MST 2006</code> to show the