ISBN13 check digit: Difference between revisions
→{{header|langur}}: using operator implied function
Langurmonkey (talk | contribs) |
Langurmonkey (talk | contribs) (→{{header|langur}}: using operator implied function) |
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=={{header|langur}}==
{{works with|langur|0.6.6}}
<lang langur>val .isbn13checkdigit = f(.n) {
val .s = replace(.n, RE/[\- ]/, ZLS)
Line 198 ⟶ 199:
map f .c-'0', s2cp .s,
)
fold(f
}
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