Handling solver parameters elegantly in Julia

General Usage
11

@tshort, I am back to this issue after a while. I am giving NamedTuple a try, but couldn’t make the outer constructor below work:

using Parameters: @with_kw

@with_kw struct Param
 mean     = 0.
 variance = 1.
end

struct Solver
 params::Dict{Symbol,Param}

 # inner ctor to be called from outside
 Solver(params::Dict{Symbol,Param}) = new(params)
end

# outer ctor with named tuples
function Solver(params...)
 dict = Dict{Symbol,Param}()
 for (varname, varparams) in params
   push!(dict, varname => Param(varparams...)) # doesn't work
 end

 Kriging(dict)
end

Could you please give a hand? The goal is to have the Solver working with named tuples as you described:

Solver(:var1 => @NT(mean=1), :var2 => @NT(variance=2.))
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