Fix eltype for FatMachOHandle

Author: topolarity

src/MachO/MachOFat.jl

@@ -67,7 +67,7 @@ keys(h::FatMachOHandle) = 1:length(h)
 iterate(h::FatMachOHandle, idx=1) = idx > length(h) ? nothing : (h[idx], idx+1)
 lastindex(h::FatMachOHandle) = lastindex(h.header.archs)
 length(h::FatMachOHandle) = length(h.header.archs)
-eltype(::Type{S}) where {S <: FatMachOHandle} = MachOLoadCmdRef
+eltype(::Type{<:FatMachOHandle}) = MachOHandle
 function getindex(h::FatMachOHandle, idx)
     seek(h.io, h.start + h.header.archs[idx].offset)
     only(readmeta(h.io, MachOHandle))

test/runtests.jl

@@ -204,6 +204,10 @@ function test_fat_libfoo(file)
     end
     @test ntotal == 2
     @test n64 == 1
+
+    handles = collect(ohs)
+    @test handles isa Vector{<:MachOHandle}
+    @test length(handles) == 2
 end
 
 function test_metal(file)