Table expand

A library to add new table functions

table.copy()

A function to deep copy a table. Unlike "=", it doesn't keep the link between both table

Syntax

table.copy(tbl)

Parameters

tbl : table/object

The table you want copy

Return value

Type: table/object

Return the copy of the table

Example

local tbl = {
  value = 5,
  children = {
    value = 6
  }
}
local tbl2 = table.copy(tbl)

table.count()

Return the number of value inside a table

Syntax

table.count(tbl)

Parameters

tbl : table/object

The table you want copy

Return value

Type: integer

Return the number of value inside tbl

Example

local tbl = {a=3, b=4}
local count = table.count(tbl)
-- Expected output : 2

table.isEmpty()

A function to know if a table/object is empty

Syntax

table.isEmpty(tbl)

Parameters

tbl : table/object

The table you want copy

Return value

Type: boolean

Return true if the table/object is empty

Example

local tbl = { a = 10}
print(table.isEmpty(tbl))
-- Expected output : false

table.merge()

A function to merge two table.

Syntax

table.merge(tbl1,tbl2)

Parameters

tbl1 : table/object

The main table

tbl2 : type

The table to merge.

Return value

Type: table

Return the merged table
If the same key are in both table, only the value of tbl2 is keept

Example

local tbl1 = {
  a = 5,
  b = 2
}
local tbl2 = {
  a = 10,
  c = 3
}
local tbl3 = table.merge(tbl1,tbl2)
-- Expected output: tbl3 = { a=10, b=2, c=3 }