Add table.key_value_swap (#9248)

This commit is contained in:
HybridDog 2020-01-04 15:44:48 +01:00 committed by sfan5
parent 3ad92baa9c
commit f9c7e46a34
2 changed files with 11 additions and 0 deletions

@ -575,6 +575,15 @@ function table.insert_all(t, other)
end
function table.key_value_swap(t)
local ti = {}
for k,v in pairs(t) do
ti[v] = k
end
return ti
end
--------------------------------------------------------------------------------
-- mainmenu only functions
--------------------------------------------------------------------------------

@ -2902,6 +2902,8 @@ Helper functions
* `table.insert_all(table, other_table)`:
* Appends all values in `other_table` to `table` - uses `#table + 1` to
find new indices.
* `table.key_value_swap(t)`: returns a table with keys and values swapped
* If multiple keys in `t` map to the same value, the result is undefined.
* `minetest.pointed_thing_to_face_pos(placer, pointed_thing)`: returns a
position.
* returns the exact position on the surface of a pointed node