From e92bcf411d2e9a55969303ba3893a017152d7c18 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Tue, 1 May 2007 04:36:49 +0000
Subject: Started using boost::optional<T>.

---
 src/value.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/value.h')

diff --git a/src/value.h b/src/value.h
index 0737fac1..4c6e0f18 100644
--- a/src/value.h
+++ b/src/value.h
@@ -435,7 +435,6 @@ class value_t
     return 0;
   }
 
-  void    in_place_abs();
   value_t abs() const;
   void    in_place_cast(type_t cast_type);
   value_t cost() const;
@@ -453,10 +452,11 @@ class value_t
 			    const bool keep_date  = amount_t::keep_date,
 			    const bool keep_tag   = amount_t::keep_tag) const;
 
-  value_t& add(const amount_t&  amount, const amount_t * cost = NULL);
+  value_t& add(const amount_t& amount,
+	       const optional<amount_t>& cost = optional<amount_t>());
   value_t  value(const moment_t& moment) const;
-  void     in_place_reduce();
 
+  void    in_place_reduce();
   value_t reduce() const {
     value_t temp(*this);
     temp.in_place_reduce();
-- 
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