remove an unnecessary promote_type definition

this also gives a better no-method error for invalid 2-argument calls
JuliaLang · Dec 14, 2014 · dc7ce61 · dc7ce61
1 parent 1666552
commit dc7ce61
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/base/promotion.jl b/base/promotion.jl
@@ -94,8 +94,7 @@ end
 
 promote_type() = Bottom
 promote_type(T) = T
-promote_type(T, S ) = typejoin(T, S)
-promote_type(T, S...) = promote_type(T, promote_type(S...))
+promote_type(T, S, U, V...) = promote_type(T, promote_type(S, U, V...))
 
 promote_type(::Type{Bottom}, ::Type{Bottom}) = Bottom
 promote_type{T}(::Type{T}, ::Type{T}) = T