From c2339b07fb683355c6a6155ec312b1616167614e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Jan 2015 11:46:32 +0200
Subject: Implement prefix_map

---
 build/prefix_map.txx | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 build/prefix_map.txx

(limited to 'build/prefix_map.txx')

diff --git a/build/prefix_map.txx b/build/prefix_map.txx
new file mode 100644
index 0000000..17a8ca0
--- /dev/null
+++ b/build/prefix_map.txx
@@ -0,0 +1,42 @@
+// file      : build/prefix_map.txx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+namespace build
+{
+  template <typename M>
+  auto prefix_map_impl<M>::
+  find (const key_type& k) -> std::pair<iterator, iterator>
+  {
+    std::pair<iterator, iterator> r;
+    r.first = this->lower_bound (k);
+
+    for (r.second = r.first;
+         r.second != this->end ();
+         ++r.second)
+    {
+      if (!this->key_comp ().prefix (k, r.second->first))
+        break;
+    }
+
+    return r;
+  }
+
+  template <typename M>
+  auto prefix_map_impl<M>::
+  find (const key_type& k) const -> std::pair<const_iterator, const_iterator>
+  {
+    std::pair<const_iterator, const_iterator> r;
+    r.first = this->lower_bound (k);
+
+    for (r.second = r.first;
+         r.second != this->end ();
+         ++r.second)
+    {
+      if (!this->key_comp ().prefix (k, r.second->first))
+        break;
+    }
+
+    return r;
+  }
+}
-- 
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