Fix Polygon constructor type signature (#237)

* Fix Polygon constructor type signature

* Add test for issue #236 fix

Author: favba

src/basic_types.jl

@@ -288,7 +288,7 @@ end
 
 function Polygon(
         exterior::AbstractVector{Point{Dim,T}},
-        interiors::AbstractVector{AbstractVector{Point{Dim,T}}}) where {Dim, T}
+        interiors::AbstractVector{<:AbstractVector{Point{Dim,T}}}) where {Dim, T}
     tov(v) = convert(Vector{Point{Dim, T}}, v)
     return Polygon{Dim,T}(tov(exterior), map(tov, interiors))
 end
@@ -770,4 +770,4 @@ vertex_attributes(mesh::MetaMesh) = vertex_attributes(Mesh(mesh))
 meta(@nospecialize(m)) = NamedTuple()
 meta(mesh::MetaMesh) = getfield(mesh, :meta)
 Mesh(mesh::MetaMesh) = getfield(mesh, :mesh)
-Mesh(mesh::Mesh) = mesh
+Mesh(mesh::Mesh) = mesh

test/polygons.jl

@@ -28,4 +28,9 @@
     ]
     fs = GLTriangleFace[(4, 8, 7), (5, 8, 4), (3, 4, 7), (5, 4, 1), (2, 3, 7), (6, 5, 1), (2, 7, 6), (6, 1, 2)]
     @test fs == GeometryBasics.earcut_triangulate(poly1)
+
+    # issue #236
+    let p = SA[Point(0.0, 0.0), Point(1.0, 0.0), Point(0.0, 1.0)]
+        @test Polygon(p) == Polygon(Array(p))
+    end
 end

test/runtests.jl

@@ -5,6 +5,7 @@ using GeometryBasics: MetaMesh
 using GeoInterface
 using GeoJSON
 using Extents
+using StaticArrays
 
 @testset "GeometryBasics" begin
 @testset "algorithms" begin