Emit warnings on unrecognised elements

1 files changed, 32 insertions, 0 deletions

diff --git a/mammoth/results.py b/mammoth/results.py
index f735df7..ab29b25 100644
--- a/mammoth/results.py
+++ b/mammoth/results.py
@@ -1,4 +1,36 @@
+import collections
+
+
 class Result(object):
     def __init__(self, value, messages):
         self.value = value
         self.messages = messages
+    
+    def map(self, func):
+        return Result(func(self.value), self.messages)
+    
+    #~ def bind(self, func):
+        #~ result = func(self.value)
+        #~ return Result(result.value, self.messages + result.messages)
+
+
+Message = collections.namedtuple("Message", ["type", "message"])
+
+
+def warning(message):
+    return Message("warning", message)
+
+
+def success(value):
+    return Result(value, [])
+
+
+def combine(results):
+    values = []
+    messages = []
+    for result in results:
+        values.append(result.value)
+        for message in result.messages:
+            messages.append(message)
+        
+    return Result(values, messages)