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MattRix/singleton.verse

Created April 24, 2023 15:27
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Singleton in Verse
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singleton.verse
global := class<varies><concrete>():
var MaybeMainDevice : ?main_device = false
GetMainDevice():main_device =
if(MainDevice := Global.MaybeMainDevice?) then MainDevice else main_device{}
Global : global = global{}
#in the device's OnBegin you call
set Global.MaybeMainDevice = option{Self}
#in order to access it from elsewhere, you use
GetMainDevice()
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