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Idiom # 360 Create a formatted list
Idiom # 360 Create a formatted list
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programming-idioms.org
:
Code
Code input
f(b Sequence T) String => len := b.count if len = 0 then "" else if len = 1 then $b.first else b1 := b.take (len - 1) b1.as_string ", " + " and " + b.last.as_string s := f a
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Runnable Example
Code input
ex360 is aa := ["A", "B", "C", "D", "E"] f(b Sequence T) String => len := b.count if len = 0 then "" else if len = 1 then $b.first else b1 := b.take (len - 1) b1.as_string ", " + " and " + b.last.as_string for i in 1..(aa.count) do a := aa.take i s := f a say s
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last changed: 2025-07-10
next: NYI: Idiom # 361 Test for perfect squarity
