Allow objecttable and arraytable to take IO arguments

Author: quinnj

src/JSONTables.jl

@@ -75,6 +75,8 @@ function Base.iterate(x::ArrayTable, st)
 end
 
 objecttable(table) = JSON3.write(ObjectTable(Tables.columns(table)))
+objecttable(io::IO, table) = JSON3.write(io, ObjectTable(Tables.columns(table)))
 arraytable(table) = JSON3.write(ArrayTable(Tables.rows(table)))
+arraytable(io::IO, table) = JSON3.write(io, ArrayTable(Tables.rows(table)))
 
 end # module

test/runtests.jl

@@ -47,4 +47,11 @@ rjtable = JSONTables.jsontable(rjson)
 @test JSONTables.arraytable(ctable) == rjson
 @test JSONTables.arraytable(rtable) == rjson
 
+io = IOBuffer()
+JSONTables.objecttable(io, ctable)
+@test String(take!(io)) == cjson
+
+JSONTables.arraytable(io, rtable)
+@test String(take!(io)) == rjson
+
 end