diff options
Diffstat (limited to 'Master/texmf-dist/tex/generic/pgf/graphdrawing/lua/pgf/gd/planar/List.lua')
-rw-r--r-- | Master/texmf-dist/tex/generic/pgf/graphdrawing/lua/pgf/gd/planar/List.lua | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/Master/texmf-dist/tex/generic/pgf/graphdrawing/lua/pgf/gd/planar/List.lua b/Master/texmf-dist/tex/generic/pgf/graphdrawing/lua/pgf/gd/planar/List.lua index 564216a8c37..22a91e65710 100644 --- a/Master/texmf-dist/tex/generic/pgf/graphdrawing/lua/pgf/gd/planar/List.lua +++ b/Master/texmf-dist/tex/generic/pgf/graphdrawing/lua/pgf/gd/planar/List.lua @@ -3,47 +3,47 @@ local List = {} List.__index = List function List.new() - local t = {first = 0, last = -1} - setmetatable(t, List) - return t + local t = {first = 0, last = -1} + setmetatable(t, List) + return t end function List:pushleft(value) - local first = self.first - 1 - self.first = first - self[first] = value + local first = self.first - 1 + self.first = first + self[first] = value end function List:pushright(value) - local last = self.last + 1 - self.last = last - self[last] = value + local last = self.last + 1 + self.last = last + self[last] = value end function List:popleft() - local first = self.first - if first > self.last then error("List is empty") end - local value = self[first] - self[first] = nil - self.first = first + 1 - return value + local first = self.first + if first > self.last then error("List is empty") end + local value = self[first] + self[first] = nil + self.first = first + 1 + return value end function List:popright() - local last = self.last - if self.first > last then error("List is empty") end - local value = self[last] - self[last] = nil - self.last = last - 1 - return value + local last = self.last + if self.first > last then error("List is empty") end + local value = self[last] + self[last] = nil + self.last = last - 1 + return value end function List:size() - return self.last - self.first + 1 + return self.last - self.first + 1 end function List:empty() - return self.last < self.first + return self.last < self.first end return List |