Small note to describe Nil #1474
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This is the first time the user comes across Nil in the tutorial, so a small explanation of what it is.
Philippus
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Aug 1, 2019
comment response
SethTisue
reviewed
Aug 8, 2019
Philippus
reviewed
Aug 17, 2019
| @@ -31,6 +31,8 @@ class Stack[A] { | |||
| ``` | |||
| This implementation of a `Stack` class takes any type `A` as a parameter. This means the underlying list, `var elements: List[A] = Nil`, can only store elements of type `A`. The procedure `def push` only accepts objects of type `A` (note: `elements = x :: elements` reassigns `elements` to a new list created by prepending `x` to the current `elements`). | |||
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| `Nil` here is an empty `List` and is not to be confused with `Null`. | |||
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| `Nil` here is an empty `List` and is not to be confused with `Null`. | |
| `Nil` here is an empty `List` and is not to be confused with `null`. |
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@manishpatelUK I think we can merge this after the one further small change requested by @Philippus |
exoego
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Aug 27, 2019
SethTisue
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Sep 17, 2019
|
final fixup in bae0556 |
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This is the first time the user comes across Nil in the tutorial, so a small explanation of what it is.