@pack_MyType

[Petr-Hlavenka]

As I understand how the new @pack_* works:

@with_kw struct MM
    r = "val_def"
    a = "cnt_def"
end
m = @pack_MM #error, r not defined
r= "val_1"
a = "cnt_2"
m = @pack_MM  #OK

I'm missing the functionality where I could just tell the macro which variables to pack - the same way the @pack! macro works

@pack_MM m_new = a #use a and default r

Is that a complex task to incorporate into current code? I admit I don't understand the meta-programming so I have no idea how difficult such change is.

[mauro3]

Why not just

m = MM(a=a)

or if you have an m already

m_new = MM(m, a=a)

Also, look into Setfield.jl.

So, I'll close this. But let me know if you think this is not addressed properly.