implemented 'pure' enums

1 files changed, 13 insertions, 0 deletions

diff --git a/doc/manual.txt b/doc/manual.txt
index e5814b9d6..c8d40c476 100755
--- a/doc/manual.txt
+++ b/doc/manual.txt
@@ -795,6 +795,19 @@ values to use:
 As can be seen from the example, it is possible to both specify a field's 

 ordinal value and its string value by using a tuple. It is also

 possible to only specify one of them.

+
+An enum can be marked with the ``pure`` pragma so that it's fields are not
+added to the current scope, so they always need to be accessed 
+via ``TMyEnum.value``:
+
+.. code-block:: nimrod

+

+  type

+    TMyEnum {.pure.} = enum

+      valueA, valueB, valueC, valueD
+  
+  echo valueA # error: Unknown identifier
+  echo TMyEnum.valueA # works

 

 

 String type