Support for empty NamedTuple in flatten (#22)

* Support for empty NamedTuples in flatten

* Update runtests.jl

* Fixed missing bracket in runtests.jl

* bump version

Author: SteffenPL

Project.toml

@@ -1,7 +1,7 @@
 name = "NestedTuples"
 uuid = "a734d2a7-8d68-409b-9419-626914d4061d"
 authors = ["Chad Scherrer <chad.scherrer@gmail.com> and contributors"]
-version = "0.3.11"
+version = "0.3.12"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"

src/leaves.jl

@@ -23,6 +23,7 @@ flatten(x, y...) = (flatten(x)..., flatten(y...)...)
 flatten(x::Tuple) = flatten(x...)
 flatten(x::NamedTuple) = flatten(values(x)...)
 flatten(x) = (x,)
+flatten() = ()
 
 
 using GeneralizedGenerated

test/runtests.jl

@@ -9,6 +9,8 @@ using NestedTuples: with, TypelevelExpr
     @test NestedTuples.exprify(x; rename=false) == ([:a, :b, :l, :u], :((a = (a = a, b = b), q = (l = l, u = u))))
 
     @test NestedTuples.flatten(x) == (:a, :b, :l, :u)
+  
+    @test NestedTuples.flatten( (a = 1, b = (;), c = 2) ) == (1, 2)
 
     @test NestedTuples.keysort(x) == (a = (a = :a, b = :b), q = (l = :l, u = :u))