<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../tracing_subscriber/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"tabindex="-1"><ahref="../../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Trait <ahref="../index.html">tracing_subscriber</a>::<wbr><ahref="index.html">field</a>::<wbr><aclass="trait"href="#">MakeExt</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../../src/tracing_subscriber/field/mod.rs.html#130-156">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub trait MakeExt<T><divclass="where">where
</div></details><h2id="provided-methods"class="section-header">Provided Methods<ahref="#provided-methods"class="anchor">§</a></h2><divclass="methods"><detailsclass="toggle method-toggle"open><summary><sectionid="method.debug_alt"class="method"><aclass="src rightside"href="../../src/tracing_subscriber/field/mod.rs.html#137-139">source</a><h4class="code-header">fn <ahref="#method.debug_alt"class="fn">debug_alt</a>(self) -><aclass="struct"href="debug/struct.Alt.html"title="struct tracing_subscriber::field::debug::Alt">Alt</a><Self></h4></section></summary><divclass="docblock"><p>Wraps <code>self</code> so that any <code>fmt::Debug</code> fields are recorded using the
alternate formatter (<code>{:#?}</code>).</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.display_messages"class="method"><aclass="src rightside"href="../../src/tracing_subscriber/field/mod.rs.html#143-145">source</a><h4class="code-header">fn <ahref="#method.display_messages"class="fn">display_messages</a>(self) -><aclass="struct"href="display/struct.Messages.html"title="struct tracing_subscriber::field::display::Messages">Messages</a><Self></h4></section></summary><divclass="docblock"><p>Wraps <code>self</code> so that any string fields named “message” are recorded
Self::<aclass="associatedtype"href="trait.MakeVisitor.html#associatedtype.Visitor"title="type tracing_subscriber::field::MakeVisitor::Visitor">Visitor</a>: <aclass="trait"href="trait.VisitFmt.html"title="trait tracing_subscriber::field::VisitFmt">VisitFmt</a>,</div></h4></section></summary><divclass="docblock"><p>Wraps <code>self</code> so that when fields are formatted to a writer, they are
separated by the provided <code>delimiter</code>.</p>