Merge pull request #93 from JuliaAlgebra/name_base_indices

Add name_base_indices function

Author: saschatimme

docs/src/types.md

@@ -10,6 +10,7 @@ CurrentModule = MultivariatePolynomials
 AbstractVariable
 variable
 name
+name_base_indices
 similarvariable
 @similarvariable
 ```

src/variable.jl

@@ -1,4 +1,4 @@
-export name, similarvariable, @similarvariable
+export name, name_base_indices, similarvariable, @similarvariable
 
 Base.copy(x::AbstractVariable) = x
 
@@ -56,6 +56,14 @@ Returns the name of a variable.
 """
 function name end
 
+"""
+    name_base_indices(v::AbstractVariable)
+
+Returns the name of the variable (as a `String` or `Symbol`) and its indices
+as a `Vector{Int}` or tuple of `Int`s.
+"""
+function name_base_indices end
+
 """
     similarvariable(p::AbstractPolynomialLike, variable::Type{Val{V}})