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Tilman Voit
short-exercises
Commits
ca4d5290
Commit
ca4d5290
authored
5 years ago
by
Felix Herrmann
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[lec02] update option.scala
parent
6d7cb1e9
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src/main/scala/errors/Option.scala
+1
-4
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src/main/scala/errors/Option.scala
with
1 addition
and
4 deletions
src/main/scala/errors/Option.scala
+
1
−
4
View file @
ca4d5290
package
errors
sealed
trait
Option
[
+A
]
{
def
map
[
B
](
f
:
A
=>
B
)
:
Option
[
B
]
=
this
match
{
case
None
=>
None
case
Some
(
a
)
=>
Some
(
f
(
a
))
}
def
map
[
B
](
f
:
A
=>
B
)
:
Option
[
B
]
=
???
def
getOrElse
[
B
>:
A
](
default
:
=>
B
)
:
B
=
???
...
...
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