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luhn
master
Luhn
Generated using Crystal 1.14.0
2025-03-04 07:07:06 UTC
class
Luhn
Luhn
Reference
Object
Defined in:
luhn.cr
Class Method Summary
.checksum
(number)
.luhn_doubled
(number)
.split_digits
(number)
.sum_of
(number)
.valid?
(number)
Class Method Detail
def self.
checksum
(number)
#
[
View source
]
def self.
luhn_doubled
(number)
#
[
View source
]
def self.
split_digits
(number)
#
[
View source
]
def self.
sum_of
(number)
#
[
View source
]
def self.
valid?
(number)
#
[
View source
]