* Make `=` and `=>` optional in function declarations
And requires `:` for return types
Signed-off-by: Nick Cameron <nrc@ncameron.org>
* Tests
Signed-off-by: Nick Cameron <nrc@ncameron.org>
* Format types in function decls
Signed-off-by: Nick Cameron <nrc@ncameron.org>
* Require in anon function decls
Signed-off-by: Nick Cameron <nrc@ncameron.org>
---------
Signed-off-by: Nick Cameron <nrc@ncameron.org>
Previously, this was the output of the formatter:
```
fn f = () => {
return () => {
return 1
}
}
```
Now the above will be reformatted as
```
fn f = () => {
return () => {
return 1
}
}
```
Much better!
