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<a href="index">Index</a>
<h1><a id="user-content-experiment-go" class="anchor" aria-hidden="true" href="#experiment-go"><span aria-hidden="true" class="octicon octicon-link"></span></a>Experiment Go</h1>
<p>There come a time when you need to experiment new things, new style, new approach.
So this post serves as it is named.</p>
<h1><a id="user-content-design-api-by-trimming-down-the-interfacestruct-or-whatever" class="anchor" aria-hidden="true" href="#design-api-by-trimming-down-the-interfacestruct-or-whatever"><span aria-hidden="true" class="octicon octicon-link"></span></a>Design API by trimming down the interface/struct or whatever</h1>
<p>Instead of:</p>
<div class="highlight highlight-source-go"><pre><span class="pl-k">type</span> <span class="pl-smi">Client</span> <span class="pl-k">interface</span> {
<span class="pl-c1">GetUser</span>()
<span class="pl-c1">AddUser</span>()
<span class="pl-c1">GetAccount</span>()
<span class="pl-c1">RemoveAccount</span>()
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}
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<span class="pl-c">// c is Client</span>
<span class="pl-s1">c</span>.<span class="pl-en">GetUser</span>()
<span class="pl-s1">c</span>.<span class="pl-en">RemoveAccount</span>()</pre></div>
<p>Try:</p>
<div class="highlight highlight-source-go"><pre><span class="pl-k">type</span> <span class="pl-smi">Client</span> <span class="pl-k">struct</span> {
<span class="pl-c1">User</span> <span class="pl-smi">ClientUser</span>
<span class="pl-c1">Account</span> <span class="pl-smi">ClientAccount</span>
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}
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<span class="pl-k">type</span> <span class="pl-smi">ClientUser</span> <span class="pl-k">interface</span> {
<span class="pl-c1">Get</span>()
<span class="pl-c1">Add</span>()
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}
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<span class="pl-k">type</span> <span class="pl-smi">ClientAccount</span> <span class="pl-k">interface</span> {
<span class="pl-c1">Get</span>()
<span class="pl-c1">Remove</span>()
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}
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<span class="pl-c">// c is Client</span>
<span class="pl-s1">c</span>.<span class="pl-c1">User</span>.<span class="pl-en">Get</span>()
<span class="pl-s1">c</span>.<span class="pl-c1">Account</span>.<span class="pl-en">Remove</span>()</pre></div>
<p>The difference is <code>c.GetUser()</code> -&gt; <code>c.User.Get()</code>.</p>
<p>For example we have client which connect to bank.
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There are many functions like <code>GetUser</code>, <code>GetTransaction</code>, <code>VerifyAccount</code>, ...
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So split big client to many children, each child handle single aspect, like user or transaction.</p>
<p>My concert is we replace an interface with a struct which contains multiple interfaces aka children.
I don't know if this is the right call.</p>
<p>This pattern is used by <a href="https://github.com/google/go-github">google/go-github</a>.</p>
<h2><a id="user-content-find-alternative-to-grpcgrpc-go" class="anchor" aria-hidden="true" href="#find-alternative-to-grpcgrpc-go"><span aria-hidden="true" class="octicon octicon-link"></span></a>Find alternative to <a href="https://github.com/grpc/grpc-go">grpc/grpc-go</a>
</h2>
<p>Why?
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<a href="https://github.com/grpc/grpc-go/issues?q=is%3Aissue+compatibility+is%3Aclosed">See for yourself</a>.
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Also read <a href="https://go.dev/blog/protobuf-apiv2" rel="nofollow">A new Go API for Protocol Buffers</a> to know why <code>v1.20.0</code> is <code>v2</code>.</p>
<p>Currently there are some:</p>
<ul>
<li>
<a href="https://github.com/bufbuild/connect-go">bufbuild/connect-go</a>. Comming from buf, trust worthy but need time to make it match feature parity with grpc-go.</li>
<li><a href="https://github.com/twitchtv/twirp">twitchtv/twirp</a></li>
<li><a href="https://github.com/storj/drpc">storj/drpc</a></li>
</ul>
<h1><a id="user-content-thanks" class="anchor" aria-hidden="true" href="#thanks"><span aria-hidden="true" class="octicon octicon-link"></span></a>Thanks</h1>
<ul>
<li><a href="https://blog.gopheracademy.com/advent-2019/api-clients-humans/" rel="nofollow">API Clients for Humans</a></li>
</ul>
<a href="mailto:hauvipapro+posts@gmail.com"
>Feel free to ask me via email</a
>
<a rel="me" href="https://hachyderm.io/@haunguyen">Mastodon</a>
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