maketype(T, ...) defaults to T

[rfourquet]

This makes it more convenient for simple types to use the make mechanism. E.g.:

struct A
    a::Int
end

rand(rng::AbstractRNG, sp::SamplerTrivial{<:Make{A}}) = A(rand(rng, 1:sp[].x))

rand(make(A, 9)) # => A(3)

[rfourquet]

Note that this defers errors (e.g. MethodError) from a make call to a rand call, i.e. make(Matrix, 3) doesn't throw anymore (not that this couldn't be made to throw...), but rand(make(Matrix, 3)) does.