diff options
Diffstat (limited to 'lessons/src/lesson035_nil')
-rw-r--r-- | lessons/src/lesson035_nil/code.gleam | 11 | ||||
-rw-r--r-- | lessons/src/lesson035_nil/text.html | 15 |
2 files changed, 0 insertions, 26 deletions
diff --git a/lessons/src/lesson035_nil/code.gleam b/lessons/src/lesson035_nil/code.gleam deleted file mode 100644 index c28080b..0000000 --- a/lessons/src/lesson035_nil/code.gleam +++ /dev/null @@ -1,11 +0,0 @@ -import gleam/io - -pub fn main() { - let x = Nil - io.debug(x) - - // let y: List(String) = Nil - - let result = io.println("Hello!") - io.debug(result == Nil) -} diff --git a/lessons/src/lesson035_nil/text.html b/lessons/src/lesson035_nil/text.html deleted file mode 100644 index 3416643..0000000 --- a/lessons/src/lesson035_nil/text.html +++ /dev/null @@ -1,15 +0,0 @@ -<p> - <code>Nil</code> is Gleam's unit type. It is a value that is returned by - functions that have nothing else to return, as all functions much return - something. -</p> -<p> - <code>Nil</code> is not a valid value of any other types, that is values in - Gleam are not nullable. If the type of a value is <code>Nil</code> then it is - the value <code>nil</code>. If it is some other type then the value is not - <code>Nil</code>. -</p> -<p> - Uncomment the line that assigns <code>Nil</code> to a variable with an - incompatible type annotation to see the comile time error it produces. -</p> |