Code style fix.

Author: N5N3

src/structarray.jl

@@ -453,19 +453,12 @@ function StructArrayStyle{S, M}(::Val{N}) where {S, M, N}
     return StructArrayStyle{T, N}()
 end
 
-_dimmax(a::Integer, b::Integer) = max(a, b)
-_dimmax(::Type{Any}, ::Integer) = Any
-_dimmax(::Integer ,::Type{Any}) = Any
-_dimmax(::Type{Any} ,::Type{Any}) = Any
-
 # StructArrayStyle is a wrapped style.
 # Here we try our best to resolve style conflict.
 function BroadcastStyle(b::AbstractArrayStyle{M}, a::StructArrayStyle{S, N}) where {S, N, M}
+    N′ = M === Any || N === Any ? Any : max(M, N)
     S′ = Broadcast.result_style(S(), b)
-    if S′ isa StructArrayStyle # avoid double wrap
-        return typeof(S′)(Val{_dimmax(N, M)}())
-    end
-    StructArrayStyle{typeof(S′), _dimmax(N, M)}()
+    return S′ isa StructArrayStyle ? typeof(S′)(Val{N′}()) : StructArrayStyle{typeof(S′), N′}()
 end
 BroadcastStyle(::StructArrayStyle, ::DefaultArrayStyle) = Unknown()
 
@@ -482,8 +475,7 @@ BroadcastStyle(::Type{SA}) where {SA<:StructArray} = StructArrayStyle{typeof(cst
 # Here we use `similar` defined for `S` to build the dest Array.
 function Base.similar(bc::Broadcasted{StructArrayStyle{S, N}}, ::Type{ElType}) where {S, N, ElType}
     bc′ = convert(Broadcasted{S}, bc)
-    isnonemptystructtype(ElType) || return similar(bc′, ElType)
-    return buildfromschema(T -> similar(bc′, T), ElType)
+    return isnonemptystructtype(ElType) ? buildfromschema(T -> similar(bc′, T), ElType) : similar(bc′, ElType)
 end
 
 # Unwrapper to recover the behaviour defined by parent style.