From 21ff3407b5c3eebbed5b08a46c82850cdd2b02ff Mon Sep 17 00:00:00 2001
From: totoro <david.rene@rack-matrix.com>
Date: Thu, 19 Dec 2019 23:27:58 +0100
Subject: [PATCH] add find_DB_id in find message

---
 database/db_types.anubis | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/database/db_types.anubis b/database/db_types.anubis
index 4043097..e60354e 100644
--- a/database/db_types.anubis
+++ b/database/db_types.anubis
@@ -48,6 +48,20 @@ public define Maybe(DB_id)
   }
 .
 
+public define DB_id
+  find_DB_id
+  (
+    Message msg,      //Message in where we search the DB_id
+    String  name,     //name of DB_id in the Message
+    DB_id   default   //default value
+  )=
+  if find_DB_id(msg, name) is 
+  {
+    failure         then default,
+    success(db_id)  then db_id
+  }
+.
+
 public define String
   to_String
   (
@@ -98,9 +112,10 @@ public define Int
   )=
   if idx is
   {
-    none        then (Int)-1,
+    none        then (Int)0,
     db_id(_idx) then _idx
-  }.
+  }
+.
 
 public define Word32
   to_Word32
--
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