Remove default zero-arg constructor

Seelengrab · Seelengrab · commit c95f4809bf45 · 2023-10-07T17:38:21.000+02:00
This is necessary to allow definitions that don't contain any named fields
diff --git a/src/FieldFlags.jl b/src/FieldFlags.jl
@@ -208,10 +208,7 @@ function bitfield(expr::Expr)
     # requested struct is declared `mutable` as well
     internal_constructor = Expr(:(=), Expr(:call, typename, Expr(:(::), :t, Ti)), Expr(:new, T, :t))
     newob = Expr(:new, T, :(FieldFlags.cast_or_extend($Ti, 0x0)))
-    zero_arg_constr = Expr(:(=),
-                            Expr(:call, typename),
-                            newob)
-    struct_body = Expr(:block, Expr(:(::), :fields, Ti), internal_constructor, zero_arg_constr)
+    struct_body = Expr(:block, Expr(:(::), :fields, Ti), internal_constructor)
     mutstruct = Expr(:struct, mutable, suptype, struct_body)
     typedefs = Expr(:block, :(primitive type $typename_internal $typesize end), mutstruct)
 
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -60,7 +60,7 @@ end
     struct Wrapper_10{T}
         c::Convert_10
     end
-    obj = Convert_10()
+    obj = zero(Convert_10)
     @test Wrapper_10{Int}(obj) isa Wrapper_10{Int}
 end
 
