diff options
Diffstat (limited to 'docs/optionals.md')
| -rw-r--r-- | docs/optionals.md | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/docs/optionals.md b/docs/optionals.md index 48e48875..bfebd94e 100644 --- a/docs/optionals.md +++ b/docs/optionals.md @@ -6,10 +6,10 @@ represent this case using enums like so: ```tomo enum MaybeInt(AnInt(x:Int), NoInt) -func maybe_takes_int(maybe_x:MaybeInt): - when maybe_x is AnInt(x): +func maybe_takes_int(maybe_x:MaybeInt) + when maybe_x is AnInt(x) say("Got an int: $x") - else: + else say("Got nothing") ``` @@ -18,10 +18,10 @@ situation where you might want to not have a value. Instead, Tomo has built-in support for optional types: ``` -func maybe_takes_int(x:Int?): - if x: +func maybe_takes_int(x:Int?) + if x say("Got an int: $x") - else: + else say("Got nothing") ``` @@ -76,7 +76,7 @@ Here are some examples: x := 5? x = none -func doop(arg:Int?)->Text?: +func doop(arg:Int? -> Text?) return none doop(none) @@ -89,7 +89,7 @@ the need for an explicit `?` operator in the cases listed above: x : Int? = none x = 5 -func doop(arg:Int?)->Text?: +func doop(arg:Int? -> Text?) return "okay" doop(123) @@ -115,10 +115,10 @@ maybe_x = none >> maybe_x or fail("No value!") # Failure! -func do_stuff(matches:[Text]): +func do_stuff(matches:[Text]) pass -for line in lines: +for line in lines matches := line.matches($/{..},{..}/) or skip # The `or skip` above means that if we're here, `matches` is non-none: do_stuff(matches) |