The latest articles on DEV Community by Justin Etighe (@dystopiandev). https://dev.to/dystopiandev https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F152301%2F279ed4e8-336d-4495-a07a-365d182f0ca3.jpeg https://dev.to/dystopiandev en Justin Etighe Thu, 03 Nov 2022 17:42:46 +0000 https://dev.to/dystopiandev/optional-string-in-proto3-messages-will-not-yield-nullable-strings-in-c-80k https://dev.to/dystopiandev/optional-string-in-proto3-messages-will-not-yield-nullable-strings-in-c-80k <div class="highlight js-code-highlight"> <pre class="highlight protobuf"><code><span class="na">syntax</span> <span class="o">=</span> <span class="s">"proto3"</span><span class="p">;</span> <span class="k">import</span> <span class="s">"google/protobuf/wrappers.proto"</span><span class="p">;</span> <span class="kd">message</span> <span class="nc">Sample</span> <span class="p">{</span> <span class="c1">// this will throw if you don't pass at least an empty string in generated C# code</span> <span class="k">optional</span> <span class="kt">string</span> <span class="na">not_nullable</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="c1">// this wrapper generates `string?` in C# (as one would expect)</span> <span class="n">google.protobuf.StringValue</span> <span class="na">nullable</span> <span class="o">=</span> <span class="mi">2</span><span class="p">;</span> <span class="p">}</span> </code></pre> </div> <p>That's all. Hopefully this saves you some WTFs/minute.</p> csharp dotnet protobuf grpc