tags: api/lua references:
The table namespace contains the Lua table library and Space Lua collection helpers.
table.concat(table, sep?, i?, j?)
Concatenates table elements from i through j using an optional separator.
Parameters:
table (table)sep? (string)i? (integer)j? (integer)Returns:
stringtable.find(table, criteriaFn, fromIndex?)
Finds the first array element accepted by a predicate and returns its index and value.
Parameters:
table (table)criteriaFn (function) — Predicate called with each value.fromIndex? (integer)Returns:
integer|nil — Matching index or nil.Example:
local index, value = table.find({1, 2, 3, 4}, function(n) return n % 2 == 0 end)
table.includes(table, value)
Returns whether any table value is Lua-equal to a requested value.
Parameters:
table (table)value — Value to find.Returns:
booleantable.insert(table, value)
table.insert(table, pos, value)
Inserts a value at a position, shifting later elements, or appends it when no position is supplied.
Parameters:
table (table)posOrValue — Insertion position or appended value.value? — Value for positional insertion.Example:
local fruits = {"apple", "orange"}
table.insert(fruits, 2, "banana")
print(table.concat(fruits, ", "))
table.keys(table)
Returns an array containing all keys of a table or JavaScript object.
Parameters:
table (table)Returns:
table — Array of keys.table.move(a1, f, e, t, a2?)
Moves an inclusive element range to a destination table while handling overlaps.
Parameters:
a1 (table) — Source table.f (integer) — First source index.e (integer) — Last source index.t (integer) — Destination start index.a2? (table) — Destination table; defaults to a1.Returns:
table — Destination table.table.pack(...): table
Packs all arguments into a table with a count stored in field n.
Returns:
table — Arguments at integer keys plus field n.table.remove(table, pos?)
Removes and returns an element, shifting later elements down.
Parameters:
table (table)pos? (integer) — Position; defaults to the last element.Returns:
table.select(table, ...keys): table
table.select(table, keys): table
Copies selected keys from a table into a new table.
Parameters:
table (table)keys — Individual keys or one array-like table of keys.Returns:
tableExample:
${query[
from p = index.pages()
limit 3
select table.select(p, "name", "lastModified")
](<
from p = index.pages()
limit 3
select table.select(p, "name", "lastModified")
>)}
table.sort(table, comp?)
Sorts a table in place using ascending order or an optional comparison function.
Parameters:
table (table)comp? (function)Returns:
table — The sorted table in Space Lua.Example:
local numbers = {3, 1, 2}
table.sort(numbers, function(a, b) return a > b end)
table.unpack(table, i?, j?)
Returns the table values from index i through j as separate results.
Parameters:
table (table)i? (integer)j? (integer)Returns:
Example:
local second, third = table.unpack({"a", "b", "c"}, 2, 3)