202 lines
6.6 KiB
HTML
202 lines
6.6 KiB
HTML
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<title>haunt98 posts</title>
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<body class="markdown-body">
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<h2>
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<a href="index.html"><code>~</code></a>
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</h2>
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<div class="markdown-heading">
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<h1 class="heading-element">Experiment Go</h1>
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<a
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id="user-content-experiment-go"
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class="anchor"
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aria-label="Permalink: Experiment Go"
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href="#experiment-go"
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><span aria-hidden="true" class="octicon octicon-link"></span
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></a>
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</div>
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<p>
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There come a time when you need to experiment new things, new style, new
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approach. So this post serves as it is named.
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</p>
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<div class="markdown-heading">
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<h2 class="heading-element">
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Design API by trimming down the interface/struct or whatever
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</h2>
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<a
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id="user-content-design-api-by-trimming-down-the-interfacestruct-or-whatever"
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class="anchor"
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aria-label="Permalink: Design API by trimming down the interface/struct or whatever"
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href="#design-api-by-trimming-down-the-interfacestruct-or-whatever"
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><span aria-hidden="true" class="octicon octicon-link"></span
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></a>
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</div>
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<p>Instead of:</p>
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<div class="highlight highlight-source-go">
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<pre><span class="pl-k">type</span> <span class="pl-smi">Client</span> <span class="pl-k">interface</span> {
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<span class="pl-c1">GetUser</span>()
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<span class="pl-c1">AddUser</span>()
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<span class="pl-c1">GetAccount</span>()
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<span class="pl-c1">RemoveAccount</span>()
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}
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<span class="pl-c">// c is Client</span>
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<span class="pl-s1">c</span>.<span class="pl-en">GetUser</span>()
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<span class="pl-s1">c</span>.<span class="pl-en">RemoveAccount</span>()</pre>
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</div>
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<p>Try:</p>
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<div class="highlight highlight-source-go">
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<pre><span class="pl-k">type</span> <span class="pl-smi">Client</span> <span class="pl-k">struct</span> {
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<span class="pl-c1">User</span> <span class="pl-smi">ClientUser</span>
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<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> {
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<span class="pl-c1">Get</span>()
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<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> {
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<span class="pl-c1">Get</span>()
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<span class="pl-c1">Remove</span>()
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}
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<span class="pl-c">// c is Client</span>
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<span class="pl-s1">c</span>.<span class="pl-c1">User</span>.<span class="pl-en">Get</span>()
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<span class="pl-s1">c</span>.<span class="pl-c1">Account</span>.<span class="pl-en">Remove</span>()</pre>
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</div>
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<p>
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The difference is <code>c.GetUser()</code> ->
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<code>c.User.Get()</code>.
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</p>
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<p>
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For example we have client which connect to bank. There are many functions
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like <code>GetUser</code>, <code>GetTransaction</code>,
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<code>VerifyAccount</code>, ... So split big client to many children, each
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child handle single aspect, like user or transaction.
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</p>
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<p>
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My concert is we replace an interface with a struct which contains
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multiple interfaces aka children. I don't know if this is the right call.
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</p>
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<p>
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This pattern is used by
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<a href="https://github.com/google/go-github">google/go-github</a>.
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</p>
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<div class="markdown-heading">
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<h2 class="heading-element">
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Find alternative to
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<a href="https://github.com/grpc/grpc-go">grpc/grpc-go</a>
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</h2>
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<a
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id="user-content-find-alternative-to-grpcgrpc-go"
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class="anchor"
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aria-label="Permalink: Find alternative to grpc/grpc-go"
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href="#find-alternative-to-grpcgrpc-go"
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><span aria-hidden="true" class="octicon octicon-link"></span
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></a>
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</div>
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<p>
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Why?
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<a
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href="https://github.com/grpc/grpc-go/issues?q=is%3Aissue+compatibility+is%3Aclosed"
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>See for yourself</a
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>.
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</p>
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<p>Also read:</p>
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<ul>
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<li>
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<a href="https://go.dev/blog/protobuf-apiv2" rel="nofollow"
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>A new Go API for Protocol Buffers</a
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>
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to know why <code>v1.20.0</code> is <code>v2</code>.
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</li>
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<li>
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<a href="https://jbrandhorst.com/post/plugin-versioning/" rel="nofollow"
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>Go Protobuf Plugin Versioning</a
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>.
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</li>
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</ul>
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<p>Currently there are some:</p>
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<ul>
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<li>
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<a href="https://github.com/bufbuild/connect-go">bufbuild/connect-go</a
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>. Comming from buf, trust worthy but need time to make it match feature
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parity with grpc-go.
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</li>
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<li><a href="https://github.com/twitchtv/twirp">twitchtv/twirp</a></li>
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<li><a href="https://github.com/storj/drpc">storj/drpc</a></li>
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</ul>
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<div class="markdown-heading">
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<h1 class="heading-element">Thanks</h1>
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<a
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id="user-content-thanks"
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class="anchor"
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aria-label="Permalink: Thanks"
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href="#thanks"
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><span aria-hidden="true" class="octicon octicon-link"></span
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></a>
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</div>
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<ul>
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<li>
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<a
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href="https://blog.gopheracademy.com/advent-2019/api-clients-humans/"
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rel="nofollow"
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>API Clients for Humans</a
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>
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</li>
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</ul>
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<div>
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Feel free to ask me via
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<a href="mailto:hauvipapro+posts@gmail.com">email</a> or
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<a rel="me" href="https://hachyderm.io/@haunguyen">Mastodon</a>.
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<br />Source code is available on
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<a href="https://github.com/haunt98/posts-go">GitHub</a>
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<a href="https://codeberg.org/yoshie/posts-go">Codeberg</a>
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<a href="https://git.sr.ht/~youngyoshie/posts-go">sourcehut</a>
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<a href="https://gitea.treehouse.systems/yoshie/posts-go">Treehouse</a>
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<a href="https://gitlab.com/youngyoshie/posts-go">GitLab</a>
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</body>
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</html>
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