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Copy pathstack.lua
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67 lines (56 loc) · 1.19 KB
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-- Stack Table
-- Uses a table as stack, use <table>:push(value) and <table>:pop()
-- Lua 5.1 compatible
localunpack=unpackortable.unpack
-- GLOBAL
localStack= {}
-- Create a Table with stack functions
functionStack:Create()
-- stack table
localt= {}
-- entry table
t._et= {}
-- push a value on to the stack
functiont:push(...)
if...then
localtargs= {...}
-- add values
for_,vinipairs(targs) do
table.insert(self._et, v)
end
end
end
-- pop a value from the stack
functiont:pop(num)
-- get num values from stack
localnum=numor1
-- return table
localentries= {}
-- get values into entries
fori=1, numdo
-- get last entry
if#self._et~=0then
table.insert(entries, self._et[#self._et])
-- remove last value
table.remove(self._et)
else
break
end
end
-- return unpacked entries
returnunpack(entries)
end
-- get entries
functiont:getn()
return#self._et
end
-- list values
functiont:list()
fori,vinpairs(self._et) do
print(i, v)
end
end
returnt
end
return {Stack=Stack}
-- CHILLCODE™