From 51694c4fbfdb94fbcc387a245105ea739b3bc6d7 Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Fri, 12 May 2017 21:19:08 +0200
Subject: [PATCH] add FreeGroup(n::Int) convenience

---
 src/FreeGroup.jl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/FreeGroup.jl b/src/FreeGroup.jl
index 4eb3c23..5e93c15 100644
--- a/src/FreeGroup.jl
+++ b/src/FreeGroup.jl
@@ -42,6 +42,8 @@ elem_type(::FreeGroup) = FreeGroupElem
 
 FreeSymbol(s::String) = FreeSymbol(s,1)
 
+FreeGroup(n::Int, symbol::String="f") = FreeGroup(["$symbol$i" for i in 1:n])
+
 FreeGroup(a::Vector{String}) = FreeGroup([FreeSymbol(i) for i in a])
 
 ###############################################################################