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Add example for gears.table.count_keys 

Signed-off-by: Lucas Schwiderski <lucas@lschwiderski.de>
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Lucas Schwiderski 2021-03-22 20:55:40 +01:00
parent 058190a3c0
commit afced71a9a
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2 changed files with 8 additions and 0 deletions
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2
lib/gears/table.lua
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@ -169,6 +169,8 @@ end
-- --
-- This is functionally equivalent, but faster than `#gears.table.keys(t)`. -- This is functionally equivalent, but faster than `#gears.table.keys(t)`.
-- --
-- @DOC_text_gears_table_count_keys_EXAMPLE@
--
-- @tparam table t The table for which to count the keys. -- @tparam table t The table for which to count the keys.
-- @treturn number The number of keys in the table. -- @treturn number The number of keys in the table.
-- @staticfct gears.table.count_keys -- @staticfct gears.table.count_keys

6
tests/examples/text/gears/table/count_keys.lua Normal file
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@ -0,0 +1,6 @@
--DOC_GEN_OUTPUT --DOC_HIDE
local gears = require("gears") --DOC_HIDE
local tab = { 1, nil, "a", "b", foo = "bar" }
local count = gears.table.count_keys(tab)
print("The table has " .. count .. " keys")