It works for me:
julia> using JSON
julia> type Foo
a::String
b::Float64
end
julia> JSON.json(Foo("xyz",1.2))
"{\"a\":\"xyz\",\"b\":1.2}"
It works for me:
julia> using JSON
julia> type Foo
a::String
b::Float64
end
julia> JSON.json(Foo("xyz",1.2))
"{\"a\":\"xyz\",\"b\":1.2}"