add FreeGroup(n::Int) convenience

2017-05-12 21:19:08 +02:00 · 2017-05-12 21:19:08 +02:00 · 51694c4fbf
parent 1284ded447
commit 51694c4fbf
1 changed files with 2 additions and 0 deletions
--- 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])

 ###############################################################################