Allow a number to be used in an ostream object

When a number is streamed into a ostream object, the hexadecimal
representation of the number is given to the stream.

Signed-off-by: Olivier Gayot <og@satcom1.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/number.cpp b/number.cpp
index 26b0ed2..acd60fd 100644
--- a/number.cpp
+++ b/number.cpp
@@ -145,3 +145,9 @@ number::operator!=(const number &n) const
 }
 
 /* }}} */
+
+std::ostream &
+operator<<(std::ostream &os, const number &n)
+{
+    return os << n.to_hex_string();
+}