Faster conversion from NamedTuple to Tuple (#26025)

JuliaLang · Feb 14, 2018 · 45e9b82 · 45e9b82
1 parent 8f30d37
commit 45e9b82
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/base/namedtuple.jl b/base/namedtuple.jl
@@ -113,6 +113,15 @@ function convert(::Type{NamedTuple{names,T}}, nt::NamedTuple{names}) where {name
     NamedTuple{names,T}(T(nt))
 end
 
+function Tuple(nt::NamedTuple{names}) where {names}
+    if @generated
+        return Expr(:tuple, Any[:(getfield(nt, $(QuoteNode(n)))) for n in names]...)
+    else
+        return tuple(nt...)
+    end
+end
+(::Type{T})(nt::NamedTuple) where {T <: Tuple} = convert(T, Tuple(nt))
+
 function show(io::IO, t::NamedTuple)
     n = nfields(t)
     for i = 1:n