When creating a collection or a list do you always...
# announcementsv
vitruvia
04/21/2017, 1:08 PMWhen creating a collection or a list do you always need to specify the type of whatever is in those structures with <>? (like Collection<Int>). Can't you make a list that has both Int and Strings?
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elizarov
04/21/2017, 1:12 PMYou can store both Int and String in
Collection<Any>k
kirillrakhman
04/21/2017, 1:13 PMtype inference will automatically take care of that if you write
listOf(1, "foo")v
vitruvia
04/21/2017, 1:13 PMAh, cool. Thanks!
k
kirillrakhman
04/21/2017, 1:13 PMof course that's not really in the sense of statically typed languages
kirillrakhman
04/21/2017, 1:14 PMwhenever you access that collection you will need to do a type check before you can do anything with the item
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vitruvia
04/21/2017, 1:14 PMso operations on it will be dynamically typed?
k
kirillrakhman
04/21/2017, 1:15 PMno
kirillrakhman
04/21/2017, 1:16 PMlistOf(1, "foo")[0]AnyIntAnyis Intv
vitruvia
04/21/2017, 1:16 PMI think i get it
k
kirillrakhman
04/21/2017, 1:17 PMthis really isn't Kotlin specific, it's how statically typed languages work
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vitruvia
04/21/2017, 1:19 PMYeah its just that I only know python and there you don't have to do this type of check. So its all kind of new to me
k
kirillrakhman
04/21/2017, 1:20 PMin this case you might want to read up on statically typed languages. I doubt that it will take you long to grasp it.
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vitruvia
04/21/2017, 1:20 PMThanks, I'll read about it, then.
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