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Fixes for tour/lower-type-bounds #989

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Merged
merged 1 commit into from
Jan 14, 2018
Merged

Fixes for tour/lower-type-bounds #989

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16 changes: 8 additions & 8 deletions _ba/tour/lower-type-bounds.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,17 +22,17 @@ Kroz sljedeći primjer vidjećemo zašto je ovo korisno:

```tut:fail
trait Node[+B] {
def prepend(elem: B): Unit
def prepend(elem: B): Node[B]
}

case class ListNode[+B](h: B, t: Node[B]) extends Node[B] {
def prepend(elem: B) = ListNode[B](elem, this)
def prepend(elem: B): ListNode[B] = ListNode(elem, this)
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The automatic insertion of Unit by the compiler sometimes bothers me.

def head: B = h
def tail = t
def tail: Node[B] = t
}

case class Nil[+B]() extends Node[B] {
def prepend(elem: B) = ListNode[B](elem, this)
def prepend(elem: B): ListNode[B] = ListNode(elem, this)
}
```

Expand All @@ -48,17 +48,17 @@ Ovo radimo uvođenjem novog tipskog parametra `U` koji ima `B` kao svoju donju g

```tut
trait Node[+B] {
def prepend[U >: B](elem: U)
def prepend[U >: B](elem: U): Node[U]
}

case class ListNode[+B](h: B, t: Node[B]) extends Node[B] {
def prepend[U >: B](elem: U) = ListNode[U](elem, this)
def prepend[U >: B](elem: U): ListNode[U] = ListNode(elem, this)
def head: B = h
def tail = t
def tail: Node[B] = t
}

case class Nil[+B]() extends Node[B] {
def prepend[U >: B](elem: U) = ListNode[U](elem, this)
def prepend[U >: B](elem: U): ListNode[U] = ListNode(elem, this)
}
```

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14 changes: 7 additions & 7 deletions _tour/lower-type-bounds.md
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Expand Up @@ -20,17 +20,17 @@ Here is an example where this is useful:

```tut:fail
trait Node[+B] {
def prepend(elem: B): Unit
def prepend(elem: B): Node[B]
}

case class ListNode[+B](h: B, t: Node[B]) extends Node[B] {
def prepend(elem: B) = ListNode[B](elem, this)
def prepend(elem: B): ListNode[B] = ListNode(elem, this)
def head: B = h
def tail = t
def tail: Node[B] = t
}

case class Nil[+B]() extends Node[B] {
def prepend(elem: B) = ListNode[B](elem, this)
def prepend(elem: B): ListNode[B] = ListNode(elem, this)
}
```

Expand All @@ -46,13 +46,13 @@ trait Node[+B] {
}

case class ListNode[+B](h: B, t: Node[B]) extends Node[B] {
def prepend[U >: B](elem: U) = ListNode[U](elem, this)
def prepend[U >: B](elem: U): ListNode[U] = ListNode(elem, this)
def head: B = h
def tail = t
def tail: Node[B] = t
}

case class Nil[+B]() extends Node[B] {
def prepend[U >: B](elem: U) = ListNode[U](elem, this)
def prepend[U >: B](elem: U): ListNode[U] = ListNode(elem, this)
}
```

Expand Down