From cc1fd5dccd7ba4cc11c367609f2871d9fb8fbc58 Mon Sep 17 00:00:00 2001
From: Daniel Danis <daniel.gordon.danis@protonmail.com>
Date: Mon, 12 Jan 2026 20:45:31 +0100
Subject: [PATCH] Add a doctest.

---
 src/term_id.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/term_id.rs b/src/term_id.rs
index 0fe76d8..aec86a4 100644
--- a/src/term_id.rs
+++ b/src/term_id.rs
@@ -290,6 +290,15 @@ impl PartialEq for Prefix<'_> {
     }
 }
 
+/// Prefix can be tested for equality with a `&str`.
+///
+/// ```
+/// use ontolius::TermId;
+///
+/// let term_id: TermId = "HP:0001250".parse().unwrap();
+///
+/// assert!(&term_id.prefix() == "HP");
+/// ```
 impl PartialEq<str> for Prefix<'_> {
     fn eq(&self, other: &str) -> bool {
         match &self.0 .0 {