Add iterator-based versions of find_option{,_prefix}

This allows one to use all of the properties of iterators to manipulate the
found option.

1 files changed, 8 insertions, 0 deletions

diff --git a/libbuild2/utility.hxx b/libbuild2/utility.hxx
index 7a6ada2..67c46d9 100644
--- a/libbuild2/utility.hxx
+++ b/libbuild2/utility.hxx
@@ -649,6 +649,10 @@ namespace build2
                const char* variable,
                bool ignore_case = false);
 
+  template <typename I>
+  I
+  find_option (const char* option, I begin, I end, bool ignore_case = false);
+
   LIBBUILD2_SYMEXPORT bool
   find_option (const char* option, const lookup&, bool ignore_case = false);
 
@@ -702,6 +706,10 @@ namespace build2
   const string*
   find_option_prefix (const char* prefix, T&, const char*, bool = false);
 
+  template <typename I>
+  I
+  find_option_prefix (const char* prefix, I rbegin, I rend, bool ignore_case = false);
+
   LIBBUILD2_SYMEXPORT const string*
   find_option_prefix (const char* prefix, const lookup&, bool = false);