Method for weighted mean with mismatched types is gone

[ararslan]

The fallback treats the first argument as a function apparently??

julia> mean(Union{Int,Missing}[1,2,3], weights([1,2,3]))
4.666666666666667

julia> @which mean(Union{Int,Missing}[1,2,3], weights([1,2,3]))
mean(f, A::AbstractArray) in Statistics at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.1/Statistics/src/Statistics.jl:76

[omus]

Would it also make sense to make mean(f, A::AbstractArray) be mean(f::Base.Callable, A::AbstractArray)?

[ararslan]

It would, but that method is defined in Statistics rather than StatsBase.

[omus]

The PR that removed Callable: JuliaLang/julia#29692