CopperUtility

CopperUtility is a collection of utility functions for various Copper OS libraries.

Classes

List

first	The index of the first element in the list
last	The index of the last element in the list

• new(): List

Creates a new list

• pushLeft(value: any)

Adds a value to the beginning of the list

• pushRight(value: any)

Adds a value to the end of the list

• popLeft() : any

Removes and returns the first value of the list

• popRight() : any

Removes and returns the last value of the list

Functions

• splitString(inputstr: string, sep: string) : string

Splits a string into a table of strings based on a separator.

-- String Splitting Example
local utility = require "CopperUtility"

utility.splitString("string, seperated, by, seperators", ", ")
-->> {"string", "seperated", "by", "seperators"}

• splitByChunk(text: string, chunkSize: integer)

Split a string into chunks of a given size.

-- Split by Chunk Example
local utility = require "CopperUtility"

utility.splitByChunk("Hello, World!", 3)
-->> {"Hel", "lo,", " Wo", "rld", "!"}

• trimString(inputstr: string) : string

Removes whitespaces from the start and end of a string

-- String Trimming Example
local utility = require "CopperUtility"

utility.trimString("   string with spaces   ")
-->> "string with spaces"

• concatTables(t1: table, t2: table) : table

Concatenates two tables. The first table is modified.

-- Table Concatenation Example
local utility = require "CopperUtility"

local t1 = {"a", "b", "c"}
local t2 = {"d", "e", "f"}

utility.concatTables(t1, t2)
-->> {"a", "b", "c", "d", "e", "f"}