improve propertynames + simplex convert

Author: SimonDanisch

src/geometry_primitives.jl

@@ -14,8 +14,8 @@ end
 
 Triangulate an N-Face into a tuple of triangular faces.
 """
-@generated function convert_simplex(::Type{TriangleFace{T}}, f::NgonFace{N}) where {T, N}
-    3 <= N || error("decompose not implented for N <= 3 yet. N: $N")# other wise degenerate
+@generated function convert_simplex(::Type{TriangleFace{T}}, f::Union{SimplexFace{N}, NgonFace{N}}) where {T, N}
+    3 <= N || error("decompose not implemented for N <= 3 yet. N: $N")# other wise degenerate
     v = Expr(:tuple)
     for i = 3:N
         push!(v.args, :(TriangleFace{T}(f[1], f[$(i-1)], f[$i])))
@@ -28,7 +28,7 @@ end
 
 Extract all line segments in a Face.
 """
-@generated function convert_simplex(::Type{LineFace{T}}, f::NgonFace{N}) where {T, N}
+@generated function convert_simplex(::Type{LineFace{T}}, f::Union{SimplexFace{N}, NgonFace{N}}) where {T, N}
     2 <= N || error("decompose not implented for N <= 2 yet. N: $N")# other wise degenerate
 
     v = Expr(:tuple)

src/metadata.jl

@@ -113,6 +113,10 @@ macro meta_type(name, mainfield, supertype, params...)
             return MT(obj, nt)
         end
 
+        function Base.propertynames(::$MetaName{$(params...), Typ, Names, Types}) where {$(params...), Typ, Names, Types}
+            return ($field, Names...)
+        end
+
         function StructArrays.staticschema(::Type{$MetaName{$(params...), Typ, Names, Types}}) where {$(params...), Typ, Names, Types}
             NamedTuple{($field, Names...), Base.tuple_type_cons(Typ, Types)}
         end

test/runtests.jl

@@ -83,6 +83,7 @@ using LinearAlgebra
         pm = GeometryBasics.PointMeta(1.1, 2.2; a=1, b=2)
         @test meta(pm) === (a=1, b=2)
         @test metafree(pm) === p
+        @test propertynames(pm) == (:position, :a, :b)
     end
 end