Module:Buffer: Difference between revisions
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en>Codehydro (convert non-nil/boolean to string) |
en>Codehydro No edit summary |
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return setmetatable({ |
return setmetatable({ |
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end, |
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__index = { |
__index = { |
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end |
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_ = function(self, v) |
_ = function(self, v) |
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table.insert(self, self.check(v)) |
table.insert(self, getmetatable(self).check(v)) |
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return self |
return self |
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end, |
end, |
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return parent or child |
return parent or child |
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end, |
end, |
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self.check(v) |
getmetatable(self).check(v) |
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}, getmetatable(self)) |
}, getmetatable(self)) |
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end |
end |
Revision as of 03:02, 30 January 2015
Documentation for this module may be created at Module:Buffer/doc
return setmetatable({
check = function(v)
if v and v ~= true then
if type(v) == 'table' then
return getmetatable(v) and getmetatable(v).__tostring and
tostring(v)
or table.concat(v)
end
return v--i.e. numbers or strings
end
end,
__index = {
_ = function(self, v)
table.insert(self, getmetatable(self).check(v))
return self
end,
_in = function(self, v)
return setmetatable({
parent = self,
_out = function(child, v2, outs)
local parent = child.parent:_(child(v2))
if outs and outs > 0 then repeat
child = parent
parent = parent.parent
outs = parent and parent:_(child()) and (outs - 1) or 0
until outs == 0 end
return parent or child
end,
getmetatable(self).check(v)
}, getmetatable(self))
end
},
__call = function(t, i)
return table.concat(t, i)
end
},
{__call = function(self, v)
return setmetatable({self.check(v)}, self)
end
})