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return tuple type manipulations to deprecated.jl #36769

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9 changes: 9 additions & 0 deletions base/deprecated.jl
Original file line number Diff line number Diff line change
Expand Up @@ -219,4 +219,13 @@ iterate(match::Core.MethodMatch, field::Int=1) =
getindex(match::Core.MethodMatch, field::Int) =
getfield(match, field)


# these were internal functions, but some packages seem to be relying on them
tuple_type_head(T::Type) = fieldtype(T, 1)
tuple_type_cons(::Type, ::Type{Union{}}) = Union{}
function tuple_type_cons(::Type{S}, ::Type{T}) where T<:Tuple where S
@_pure_meta
Tuple{S, T.parameters...}
end

# END 1.6 deprecations