From 74fbd3acd5d2128e94dad2a0a5f705e93bb49e9a Mon Sep 17 00:00:00 2001
From: Robert Schumacher <roschuma@microsoft.com>
Date: Sat, 1 Apr 2017 01:09:34 -0700
Subject: [PATCH] [vcpkg] Dead code elimination

---
 toolsrc/include/vcpkg_Maps.h              | 11 -----------
 toolsrc/include/vcpkg_Sets.h              | 17 -----------------
 toolsrc/vcpkglib/vcpkglib.vcxproj         |  1 -
 toolsrc/vcpkglib/vcpkglib.vcxproj.filters |  3 ---
 4 files changed, 32 deletions(-)
 delete mode 100644 toolsrc/include/vcpkg_Sets.h

diff --git a/toolsrc/include/vcpkg_Maps.h b/toolsrc/include/vcpkg_Maps.h
index 5e2f92f551..0122b8bfbb 100644
--- a/toolsrc/include/vcpkg_Maps.h
+++ b/toolsrc/include/vcpkg_Maps.h
@@ -6,17 +6,6 @@
 
 namespace vcpkg::Maps
 {
-    template <typename K, typename V>
-    std::unordered_set<K> extract_key_set(const std::unordered_map<K, V>& input_map)
-    {
-        std::unordered_set<K> key_set;
-        for (auto const& element : input_map)
-        {
-            key_set.insert(element.first);
-        }
-        return key_set;
-    }
-
     template <typename K, typename V>
     std::vector<K> extract_keys(const std::unordered_map<K, V>& input_map)
     {
diff --git a/toolsrc/include/vcpkg_Sets.h b/toolsrc/include/vcpkg_Sets.h
deleted file mode 100644
index ec48008646..0000000000
--- a/toolsrc/include/vcpkg_Sets.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma once
-
-#include "vcpkg_Checks.h"
-#include <unordered_set>
-
-namespace vcpkg::Sets
-{
-    template <typename T, typename Container>
-    void remove_all(std::unordered_set<T>* input_set, Container remove_these)
-    {
-        Checks::check_exit(input_set != nullptr, "Input set cannot be null");
-        for (const T& r : remove_these)
-        {
-            input_set->erase(r);
-        }
-    }
-}
diff --git a/toolsrc/vcpkglib/vcpkglib.vcxproj b/toolsrc/vcpkglib/vcpkglib.vcxproj
index b0a4784ba0..c6ba877d03 100644
--- a/toolsrc/vcpkglib/vcpkglib.vcxproj
+++ b/toolsrc/vcpkglib/vcpkglib.vcxproj
@@ -176,7 +176,6 @@
     <ClInclude Include="..\include\vcpkg_Maps.h" />
     <ClInclude Include="..\include\vcpkg_optional.h" />
     <ClInclude Include="..\include\vcpkg_paths.h" />
-    <ClInclude Include="..\include\vcpkg_Sets.h" />
     <ClInclude Include="..\include\vcpkg_Strings.h" />
     <ClInclude Include="..\include\vcpkg_System.h" />
     <ClInclude Include="..\include\version_t.h" />
diff --git a/toolsrc/vcpkglib/vcpkglib.vcxproj.filters b/toolsrc/vcpkglib/vcpkglib.vcxproj.filters
index 086f3ccf32..c06e216ef3 100644
--- a/toolsrc/vcpkglib/vcpkglib.vcxproj.filters
+++ b/toolsrc/vcpkglib/vcpkglib.vcxproj.filters
@@ -254,9 +254,6 @@
     <ClInclude Include="..\include\vcpkg_Maps.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\include\vcpkg_Sets.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\include\vcpkg_Strings.h">
       <Filter>Header Files</Filter>
     </ClInclude>