Luhn algorithm: Difference between revisions

Revision as of 19:49, 26 October 2023

Revision as of 15:45, 31 October 2023

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=== [[C Sharp (programming language)|C#]] ===

<syntaxhighlight lang="c#" line="1">

bool IsValidLuhn(in int[1] digits)

{

int check_digit = 0;

Line 129:

check_digit += ((i & 1) is 0) switch

{

true => digits[i2] > 4 ? digits[i7] * 2 - 9 : digits[i3] * 2,

false => digits[i5]

};