Support Tables.jl and TypedTables.jl (#29)

* start on Tables support

* Make it Tables-friendly

* Require Julia 1.6

Author: cscherrer

Project.toml

@@ -13,6 +13,8 @@ Sobol = "ed01d8cd-4d21-5b2a-85b4-cc3bdc58bad4"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 StatsFuns = "4c63d2b9-4356-54db-8cca-17b64c39e42c"
 StructArrays = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"
+Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
+TypedTables = "9d95f2ec-7b3d-5a63-8d20-e2491e220bb9"
 
 [compat]
 ArraysOfArrays = "0.5"
@@ -23,6 +25,8 @@ NestedTuples = "0.3"
 StatsBase = "0.33"
 StatsFuns = "1"
 StructArrays = "0.5, 0.6"
+Tables = "1"
+TypedTables = "1"
 julia = "1.6"
 
 [extras]

src/TupleVectors.jl

@@ -1,5 +1,8 @@
 module TupleVectors
 
+import Tables
+import TypedTables
+
 include("tuplevector.jl")
 include("summarize.jl")
 include("chainvec.jl")

src/tuplevector.jl

@@ -157,3 +157,15 @@ end
 function Base.resize!(tv::TupleVector, n::Int)
     rmap(x -> resize!(x, n), unwrap(tv))
 end
+
+TypedTables.columnnames(::TupleVector{NamedTuple{N,T}}) where {N,T} = N
+
+Tables.istable(::Type{<:TupleVector}) = true
+Tables.rowaccess(::Type{<:TupleVector}) = true
+Tables.columnaccess(::Type{<:TupleVector}) = true
+
+Tables.schema(tv::TupleVector{NamedTuple{N,T}}) where {N,T} = Tables.Schema(N,T)
+
+Tables.columns(tv::TupleVector) = unwrap(tv)
+
+Tables.rows(tv::TupleVector) = tv