dictionary - dict.setObject does not work for own struct -


what's needed code running?

dict.setobject(greplacements, forkey: "greplacements")

i created own plist within dictionary. load , save different types of data. when try save own struct (s. below). error message:

"cannot invoke "setobject" argument of type ('[fromto], forkey: string)'

definition:

struct fromto {     var = string()     var   = string() }  var greplacements : [fromto] = [ fromto(from: "x", to: "y") ]

any idea?


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