# Error broadcasting string getproperty using StructArrays
**URL:** https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109
**Category:** General Usage
**Tags:** broadcast, structarrays
**Created:** [April 27, 2021, 2:18pm UTC](https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109 "2021-04-27T14:18:32Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@lmiq](https://discourse.julialang.org/u/lmiq)
#### Post date: [April 27, 2021, 2:18pm UTC](https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109/1 "2021-04-27T14:18:32Z")
Another issue with my migration to `StructArrays`. There is one problem I don’t understand when trying to broadcast a function that gets a property and this property, specifically, is of type `String`. For example:
```julia
julia> struct A
s::String
i::Int
end
julia> get_s(a::A) = a.s
get_s (generic function with 1 method)
julia> get_i(a::A) = a.i
get_i (generic function with 1 method)
julia> v1 = [A("a",1), A("b",2)]
2-element Vector{A}:
A("a", 1)
A("b", 2)
julia> using StructArrays
julia> v2 = StructArray(v1)
2-element StructArray(::Vector{String}, ::Vector{Int64}) with eltype A:
A("a", 1)
A("b", 2)
julia> get_s.(v2)
ERROR: DimensionMismatch("destination axes (1:0,) are not compatible with source axes (Base.OneTo(2),)")
Stacktrace:
[1] throwdm(axdest::Tuple{UnitRange{Int64}}, axsrc::Tuple{Base.OneTo{Int64}})
@ Base.Broadcast ./broadcast.jl:1060
[2] copyto!
@ ./broadcast.jl:972 [inlined]
[3] copyto!
@ ./broadcast.jl:936 [inlined]
[4] copy
@ ./broadcast.jl:908 [inlined]
[5] materialize(bc::Base.Broadcast.Broadcasted{StructArrays.StructArrayStyle{Base.Broadcast.DefaultArrayStyle{1}}, Nothing, typeof(get_s), Tuple{StructVector{A, NamedTuple{(:s, :i), Tuple{Vector{String}, Vector{Int64}}}, Int64}}})
@ Base.Broadcast ./broadcast.jl:883
[6] top-level scope
@ REPL[9]:1
```
Probably no need to demonstrate, but all other broadcasting operations and get calls work:
```julia
julia> get_s(v2[1])
"a"
julia> get_i.(v2)
2-element Vector{Int64}:
1
2
julia> get_s.(v1)
2-element Vector{String}:
"a"
"b"
julia> get_i.(v1)
2-element Vector{Int64}:
1
2
```
---
### Author:  [@Skoffer](https://discourse.julialang.org/u/Skoffer)
#### Post date: [April 27, 2021, 2:29pm UTC](https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109/2 "2021-04-27T14:29:46Z")
Have you tried it in a fresh REPL?
---
### Author:  [@lmiq](https://discourse.julialang.org/u/lmiq)
#### Post date: [April 27, 2021, 2:32pm UTC](https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109/3 "2021-04-27T14:32:18Z")
Yes, does that work for you? (forgot to add `using StructArrays` on the example above, will edit it now). But copying-pasting that gives me that error.
---
### Author:  [@Skoffer](https://discourse.julialang.org/u/Skoffer)
#### Post date: [April 27, 2021, 2:37pm UTC](https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109/4 "2021-04-27T14:37:45Z")
Ok, it seems there was a breaking change. Probably worth making an issue in repo?
I’ve got proper
```julia
julia> get_s.(v2)
2-element Vector{String}:
"a"
"b"
```
with `add StructArrays@0.4.4` and your error with the current `0.5.1` version. So, something break during `0.4 -> 0.5` transition.
---
### Author:  [@lmiq](https://discourse.julialang.org/u/lmiq)
#### Post date: [April 27, 2021, 2:42pm UTC](https://discourse.julialang.org/t/error-broadcasting-string-getproperty-using-structarrays/60109/5 "2021-04-27T14:42:33Z")
Done: [Error broadcasting string getproperty (regression) · Issue #189 · JuliaArrays/StructArrays.jl · GitHub](https://github.com/JuliaArrays/StructArrays.jl/issues/189)