Update utilities.jl

PoisotLab · Nov 17, 2020 · a8e3899 · a8e3899
1 parent 7777c1b
commit a8e3899
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/types/utilities.jl b/src/types/utilities.jl
@@ -4,8 +4,9 @@ function check_species_validity(::Type{T}) where {T <: Any}
   throw(ArgumentError("The type $(T) is not an allowed species type"))
 end
 
-function check_species_validity(::Type{T}) where {T <: Union{Symbol,String}}
-end
+check_species_validity(::Type{T}) where {T <: Symbol} = nothing
+check_species_validity(::Type{T}) where {T <: AbstractString} = nothing
+check_species_validity(::Type{T}) where {T <: String} = nothing
 
 """
     show(io::IO, N::AbstractEcologicalNetwork)