[ragel-users] Basic question on use of grouping in Ragel

[Adrian Thurston]

It is unnecessary, only there to make the parse of the expression explicit.

On 13-04-21 07:06 AM, Programmist Setevik wrote:
> Reading through Ragel guide, I see examples like this one:
>
> # Match a word followed by a newline. Execute A when
> # finishing the word.
> main :=*(* lower+ %A *)* . '\n';
>
> Question I have is: why is grouping used here ? Could this be written
> simply as
>
> main :=** lower+ %A  . '\n';
>
> And if not, what would be the difference ?
>
>
>
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