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Idioms
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Idiom # 12: Check if list contains a value
Idiom # 12: Check if list contains a value
See
programming-idioms.org
:
Code
e ∈ list
What are effects?
Running Example
ex12 is squares := container.set_of_ordered ((1..100).map i->i*i) (1..100).for_each x-> if x ∈ squares say "$x in squares" else say "$x not in squares"
What are effects?
last changed: 2025-05-13
next: Idiom # 13: Iterate over map keys and values
