gtin v0.1.0 GTIN
This module provides a custom datatype for Global Trade Item Numbers. This includes the EAN, UPC, ISBN, ISSN standards.
Examples
iex> GTIN.new(4388810057657)
%GTIN{id: 438881005765, check_digit: 7}
iex> GTIN.new("4388810057657")
%GTIN{id: 438881005765, check_digit: 7}
iex> GTIN.new("978-3-7643-7755-7")
%GTIN{id: 978376437755, check_digit: 7}
Validations:
iex> ean = GTIN.new(4388810057657)
iex> GTIN.validate(ean)
true
iex> GTIN.validate("978-3-7643-7755-7")
true
iex> GTIN.validate("978-3-7643-7785-7") # Typo in ISBN
false
Summary
Functions
Creates a new GTIN struct from either:
- an integer
- a string which parses as an integer
- a string containing dashes and numbers (as usual for ISBNs)
Validates a GTIN.
Can take either a GTIN struct or any argument valid for new
Functions
Creates a new GTIN struct from either:
- an integer
- a string which parses as an integer
- a string containing dashes and numbers (as usual for ISBNs)