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Idiom # 6: Iterate over list values
Idiom # 6: Iterate over list values
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programming-idioms.org
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Code
# using a loop for x in items do something x # using a pipe and a lambda items ! something # using map and a lambda items.map something
What are effects?
Running Example
To create instances, use this code
ex6 => items := ["red", "yellow", "green", "pink"] something(x String) => say "I saw $x elephants" # using a loop for x in items do something x # using a pipe and a lambda items ! something # using map and a lambda items.map something # map is lazy! To see side effects, force execution, eg., using fold .fold unit.type.monoid
What are effects?
next: Idiom # 7: Iterate over list indexes and values
