/**
* String tools.
*
* @module string
* @license Apache-2.0
* @copyright Mat. 2018-present
*/
/**
* Return full set of ASCII letters.
*
* @function asciiLetters
* @returns {String}
*/
export const asciiLetters = (): string =>
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
/**
* Return lowercase ASCII letters.
*
* @function asciiLowercase
* @returns {String}
*/
export const asciiLowercase = (): string => "abcdefghijklmnopqrstuvwxyz";
/**
* Return uppercase ASCII letters.
*
* @function asciiUppercase
* @returns {String}
*/
export const asciiUppercase = (): string => "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
/**
* Return all digits.
*
* @function digits
* @returns {String}
*/
export const digits = (): string => "0123456789";
/**
* Construct empty string.
*
* @function empty
* @returns {String}
*/
export const empty = (): string => "";
/**
* Construct space.
*
* @function space
* @returns {String}
*/
export const space = (): string => " ";
/**
* Construct newline.
*
* @function nl
* @returns {String}
*/
export const nl = (): string => "\n";
/**
* Construct tab.
*
* @function tab
* @returns {String}
*/
export const tab = (): string => "\t";