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-rw-r--r--util/iterators.lua5
1 files changed, 5 insertions, 0 deletions
diff --git a/util/iterators.lua b/util/iterators.lua
index fb89f4a5..1f6aacb8 100644
--- a/util/iterators.lua
+++ b/util/iterators.lua
@@ -122,6 +122,11 @@ function it.tail(n, f, s, var)
--return reverse(head(n, reverse(f, s, var)));
end
+local function _ripairs_iter(t, key) if key > 1 then return key-1, t[key-1]; end end
+function it.ripairs(t)
+ return _ripairs_iter, t, #t+1;
+end
+
local function _range_iter(max, curr) if curr < max then return curr + 1; end end
function it.range(x, y)
if not y then x, y = 1, x; end -- Default to 1..x if y not given