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started a subdir for the book

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aarne
2010-11-22 12:55:37 +00:00
parent 8ab5ec00c6
commit 46137ab6a6
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28
book/examples/chapter6/Classes.gf Normal file
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abstract Classes = {
flags
startcat = Command ;
cat
Command ;
Kind ;
Class ;
Instance Class Kind ;
Action Class ;
Device Kind ;
fun
Act : (c : Class) -> (k : Kind) -> Instance c k -> Action c -> Device k -> Command ;
The : (k : Kind) -> Device k ;
Light, Fan : Kind ;
Switchable, Dimmable : Class ;
SwitchOn, SwitchOff : Action Switchable ;
Dim : Action Dimmable ;
switchable_Light : Instance Switchable Light ;
switchable_Fan : Instance Switchable Fan ;
dimmable_Light : Instance Dimmable Light ;
}