I generally use a for each type loop or a map because I am usually applying some function across a collection, and in both cases I use the singular name from the collections plural.
’Cities.map(city -> …)’
For (val city in cities)
If I actually need the index for some reason I still prefer loop structures that give me the index and the item together
*note syntax pulled out of my head and not necessarily belonging to any specific language.
For ( city, index in cities)
cities.map((city, index) -> … )
If I need to double loop a matrix array I would use rowIndex and ColIndex for the indexes.
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I generally use a for each type loop or a map because I am usually applying some function across a collection, and in both cases I use the singular name from the collections plural.
’Cities.map(city -> …)’
If I actually need the index for some reason I still prefer loop structures that give me the index and the item together
*note syntax pulled out of my head and not necessarily belonging to any specific language.
If I need to double loop a matrix array I would use rowIndex and ColIndex for the indexes.