Thanks very much, a very very useful tutorial! I especially like the methodical and analytical approach very much.
Some small things I found in the text:
The document provides two implementation
The document provides two implementations
have the same preceedence
have the same precedence
The following subsections show how to evaluate the list how to treeify it.
The following subsections show how to evaluate the list and how to treeify it.
In a list, that means the means the last (right-most) element encountered will be executed first.
In a list, that means the last (right-most) element encountered will be executed first.
Fortuantely, Parse::RecDescent provides a means
Fortunately, Parse::RecDescent provides a means
and each reference to that rule
and of each reference to that rule
Just like function can have arguments, so can subrules.
Just like functions can have arguments, so can subrules.
However, Parse::RecDescent handles rule with productions
However, Parse::RecDescent handles rules with productions
Just like Parse::RecDescent has an directive for creating a flat list for a left-associative operator (<lefttop>),
Just like Parse::RecDescent has a directive for creating a flat list for a left-associative operator (<leftop>),
The problem we have to pass $item from pow to pow_.
The problem is we have to pass $item from pow to pow_.
The following subsections contains complete, working code
The following subsections contain complete, working code
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