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view framework/env/slot/select.lua @ 157:004d2d50419e
Allow direct usage of json.null values in JSON library (for writing, not reading)
| author | jbe |
|---|---|
| date | Thu Jul 31 03:45:33 2014 +0200 (2014-07-31) |
| parents | 9fdfb27f8e67 |
| children |
line source
1 --[[--
2 slot.select(
3 slot_ident, -- name of a slot
4 function()
5 ... -- code to be executed using the named slot
6 end
7 )
9 This function executes code in a way that slot.put(...) and other functions write into the slot with the given name. Calls of slot.select may be nested.
11 --]]--
13 function slot.select(slot_ident, block)
14 local old_slot = slot._active_slot
15 slot._active_slot = slot_ident
16 block()
17 slot._active_slot = old_slot
18 end