From 5d51146688102bdebe66aaa69ea0843f42a4edae Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Tue, 16 May 2017 18:34:43 +0200
Subject: [PATCH] elem_type, parent_type, parent

---
 src/GroupAlgebras.jl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/GroupAlgebras.jl b/src/GroupAlgebras.jl
index f6339d7..12b6035 100644
--- a/src/GroupAlgebras.jl
+++ b/src/GroupAlgebras.jl
@@ -29,6 +29,11 @@ end
 export GroupRing, GroupRingElem
 
 
+elem_type(::GroupRing) = GroupRingElem
+
+parent_type(::GroupRingElem) = GroupRing
+
+parent(g::GroupRingElem) = g.parent
 
 
 GroupRingElem{T}(c::AbstractVector{T}, A::GroupRing) = GroupRingElem{T}(c,A)