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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Span_ctx (opentelemetry.Opentelemetry.Span_ctx)</title><meta charset="utf-8"/><link rel="stylesheet" href="../../../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 2.4.1"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../../index.html">opentelemetry</a> » <a href="../index.html">Opentelemetry</a> » Span_ctx</nav><header class="odoc-preamble"><h1>Module <code><span>Opentelemetry.Span_ctx</span></code></h1><p>Span context. This bundles up a trace ID and parent ID.</p><p>https://opentelemetry.io/docs/specs/otel/trace/api/#spancontext</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 0.7</li></ul></header><div class="odoc-content"><div class="odoc-spec"><div class="spec type anchored" id="type-t"><a href="#type-t" class="anchor"></a><code><span><span class="keyword">type</span> t</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-make"><a href="#val-make" class="anchor"></a><code><span><span class="keyword">val</span> make : <span><span class="label">trace_id</span>:<a href="../Trace_id/index.html#type-t">Trace_id.t</a> <span class="arrow">-></span></span> <span><span class="label">parent_id</span>:<a href="../Span_id/index.html#type-t">Span_id.t</a> <span class="arrow">-></span></span> <span>unit <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-dummy"><a href="#val-dummy" class="anchor"></a><code><span><span class="keyword">val</span> dummy : <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>Invalid span context, to be used as a placeholder</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-is_valid"><a href="#val-is_valid" class="anchor"></a><code><span><span class="keyword">val</span> is_valid : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-trace_id"><a href="#val-trace_id" class="anchor"></a><code><span><span class="keyword">val</span> trace_id : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="../Trace_id/index.html#type-t">Trace_id.t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-parent_id"><a href="#val-parent_id" class="anchor"></a><code><span><span class="keyword">val</span> parent_id : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="../Span_id/index.html#type-t">Span_id.t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-is_remote"><a href="#val-is_remote" class="anchor"></a><code><span><span class="keyword">val</span> is_remote : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-to_w3c_trace_context"><a href="#val-to_w3c_trace_context" class="anchor"></a><code><span><span class="keyword">val</span> to_w3c_trace_context : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> bytes</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-of_w3c_trace_context"><a href="#val-of_w3c_trace_context" class="anchor"></a><code><span><span class="keyword">val</span> of_w3c_trace_context : <span>bytes <span class="arrow">-></span></span> <span><span>(<a href="#type-t">t</a>, string)</span> <a href="../../../ocaml/Stdlib/index.html#type-result">result</a></span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-of_w3c_trace_context_exn"><a href="#val-of_w3c_trace_context_exn" class="anchor"></a><code><span><span class="keyword">val</span> of_w3c_trace_context_exn : <span>bytes <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <code>Invalid_argument</code> <p>if parsing failed</p></li></ul></div></div></div></body></html>
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