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view framework/env/param/restore.lua @ 31:1cd9e69b85cb

add execute.load_chunk(args)

load_chunk loads the content of a lua file and returns the code.
It can construct the path name easily so you can put helper code in
seperate files for DRYness.
author Daniel Poelzleithner <poelzi@poelzi.org>
date Tue Oct 05 02:34:04 2010 +0200 (2010-10-05)
parents 9fdfb27f8e67
children
line source
1 --[[--
2 param.restore()
4 Calling this function reverts the changes of param.exchange(...). It should not be called explicitly, but is used implicitly, if you pass an 'id' or 'params' option to execute.view{...} or execute.action{...}.
6 --]]--
8 function param.restore()
9 local saved = param._saved
10 local previous = saved[#saved]
11 saved[#saved] = nil
12 if previous == nil then
13 error("Tried to restore id and params without having exchanged it before.")
14 end
15 param._exchanged = previous
16 end

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