From 1cdb233cedd12069a4aa5d761e20b42e842ec58f Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 5 Aug 2021 11:20:30 +0300
Subject: Convert default_options_start() to template function which accepts
 iterators range

---
 libbutl/default-options.cxx | 73 ---------------------------------------------
 1 file changed, 73 deletions(-)
 delete mode 100644 libbutl/default-options.cxx

(limited to 'libbutl/default-options.cxx')

diff --git a/libbutl/default-options.cxx b/libbutl/default-options.cxx
deleted file mode 100644
index 28f6fb7..0000000
--- a/libbutl/default-options.cxx
+++ /dev/null
@@ -1,73 +0,0 @@
-// file      : libbutl/default-options.cxx -*- C++ -*-
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef __cpp_modules_ts
-#include <libbutl/default-options.mxx>
-#endif
-
-#include <cassert>
-
-#ifndef __cpp_lib_modules_ts
-#include <vector>
-#endif
-
-// Other includes.
-
-#ifdef __cpp_modules_ts
-module butl.default_options;
-
-// Only imports additional to interface.
-#ifdef __clang__
-#ifdef __cpp_lib_modules_ts
-import std.core;
-#endif
-import butl.path;
-import butl.optional;
-import butl.small_vector;
-#endif
-
-#endif
-
-using namespace std;
-
-namespace butl
-{
-  optional<dir_path>
-  default_options_start (const optional<dir_path>& home,
-                         const vector<dir_path>& dirs)
-  {
-    if (home)
-      assert (home->absolute () && home->normalized ());
-
-    if (dirs.empty ())
-      return nullopt;
-
-    // Use the first directory as a start.
-    //
-    auto i (dirs.begin ());
-    dir_path d (*i);
-
-    // Try to find a common prefix for each subsequent directory.
-    //
-    for (++i; i != dirs.end (); ++i)
-    {
-      bool p (false);
-
-      for (;
-           !(d.root () || (home && d == *home));
-           d = d.directory ())
-      {
-        if (i->sub (d))
-        {
-          p = true;
-          break;
-        }
-      }
-
-      if (!p)
-        return nullopt;
-    }
-
-    return d;
-  }
-}
-- 
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