fix 32Bit, 1.6

Author: ffreyer

src/basic_types.jl

@@ -322,7 +322,7 @@ function coordinates(polygon::Polygon{N,T}) where {N,T}
 end
 
 function Base.promote_rule(::Type{Polygon{N, T1}}, ::Type{Polygon{N, T2}}) where {N, T1, T2}
-    return Polygon{N, promote_rule(T1, T2)}
+    return Polygon{N, promote_type(T1, T2)}
 end
 
 function Base.convert(::Type{Polygon{N, T}}, poly::Polygon{N}) where {N, T}
@@ -344,10 +344,6 @@ end
 function MultiPolygon(polygons::AbstractVector{<:AbstractPolygon{Dim,T}}) where {Dim,T}
     return MultiPolygon(convert(Vector{eltype(polygons)}, polygons))
 end
-function MultiPolygon(polygons::AbstractVector{<:AbstractPolygon{Dim}}) where {Dim}
-    T = reduce(promote_type, typeof.(polygons), init = eltype(polygons))
-    return MultiPolygon(convert(Vector{T}, polygons))
-end
 
 Base.getindex(mp::MultiPolygon, i) = mp.polygons[i]
 Base.size(mp::MultiPolygon) = size(mp.polygons)

test/polygons.jl

@@ -3,7 +3,7 @@
         points = connect([1, 2, 3, 4, 5, 6], Point2f)
         @test points isa Vector{Point2f}
         points = connect([1, 2, 3, 4, 5, 6], Point2)
-        @test points isa Vector{Point2i}
+        @test points isa Vector{Point2{Int}}
         polygon = Polygon(points)
         @test polygon == Polygon(points)
         @test polygon == copy(polygon)