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Idioms
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Idiom # 44: Insert element in list
Idiom # 44: Insert element in list
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programming-idioms.org
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Code
Code input
s := s.insert i x
What are effects?
Runnable Example
Code input
ex44 is # inserting at an invalid index results in a precondition failure a := [0,1,2,3,4,5,6] x := 999 for i in 0..7 do s := a.insert i x say "inserting at $i results in $s"
What are effects?
last changed: 2026-02-20
next: Idiom # 45: Pause execution for 5 seconds
