Fixed #123, inner constructor ambiguous with error message constructor

JuliaArrays · Mar 24, 2017 · a0d6658 · a0d6658
1 parent 003c40f
commit a0d6658
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Showing 3 changed files with 9 additions and 1 deletion.
diff --git a/src/convert.jl b/src/convert.jl
@@ -1,4 +1,4 @@
-(::Type{SA})(x::Tuple) where {SA <: StaticArray} = error("No precise constructor for $SA found. Length of input was $(length(x)).")
+(::Type{SA})(x::Tuple{Tuple{Tuple{<:Tuple}}}) where {SA <: StaticArray} = error("No precise constructor for $SA found. Length of input was $(length(x[1][1][1])).")
 
 @inline (::Type{SA})(x...) where {SA <: StaticArray} = SA(x)
 @inline (::Type{SA})(a::AbstractArray) where {SA <: StaticArray} = convert(SA, a) # Is this a good idea?

diff --git a/test/custom_types.jl b/test/custom_types.jl
@@ -0,0 +1,7 @@
+@testset "Custom types" begin
+    # Issue 123
+    @eval (struct MyType{N, T} <: StaticVector{T}
+        data::NTuple{N, T}
+    end)
+    @test (MyType(3, 4) isa MyType{2, Int})
+end
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -10,6 +10,7 @@ using Base.Test
     include("MArray.jl")
     include("FieldVector.jl")
     include("Scalar.jl")
+    include("custom_types.jl")
 
     include("core.jl")
     include("abstractarray.jl")