Re: significance of newline in io?

A newline in Io is like a semicolon in C - it ends the expression and returns the evaluation scope to the locals.



On Aug 7, 2011, at 8:05 PM, Paul Sanwald <[email protected]> wrote:

> 
> 
> working through "7 languages in 7 weeks", I noticed something interesting. This method definition me an error when invoking:
> Object ancestors := method(
>     prototype := self proto
>     if (prototype != Object,
>         writeln("Slots of ",prototype type,"\n-------")
>         prototype slotNames foreach(slotName, writeln(slotName))
>         writeln prototype ancestors))
> 
> Whereas, this definition does not:
> 
> Object ancestors := method(
>     prototype := self proto
>     if (prototype != Object,
>         writeln("Slots of ",prototype type,"\n-------")
>         prototype slotNames foreach(slotName, writeln(slotName))
>         writeln 
>         prototype ancestors))
> 
> the only difference here is the newline after "writeln". what is the significance of the newline in the language? am I missing something in the docs?
> 
> thanks for your help!
> 
> --paul
> 
> 
>