File: oometa.demo

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tcllib 1.20%2Bdfsg-1
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source ../dicttool/dicttool.tcl
source oometa.tcl

oo::class create animal {
  meta set biodata animal: 1
}
oo::class create mammal {
  superclass animal
  meta set biodata mammal: 1
}
oo::class create cat {
  superclass mammal
  meta set biodata diet: carnivore
}

cat create felix
puts [felix meta get biodata]

felix meta set biodata likes: {birds mice}
puts [felix meta get biodata]

mammal meta set biodata metabolism: warm-blooded
puts [felix meta get biodata]

# Overwrite class info
felix meta set biodata mammal: yes
puts [felix meta get biodata]