Re^3: what does @$ mean?

The braces make it clear that @$ is not a special sigil; that it's still an array with something going on inside. It also enhances readability on long or compound (deep hash access, for example) variable names. IIRC, there used to be a case where it further was necessary to disambiguate the resolution of variables but I'm not sure about that or if it's still true.

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Re^4: what does @$ mean? by Anonymous Monk on Oct 01, 2008 at 14:58 UTC
If you don't know what @$foo means, you're not going to know what @{$foo} means, both being basic perl syntaxt.	[reply]
Re^5: what does @$ mean? by Your Mother (Archbishop) on Oct 01, 2008 at 16:27 UTC
That's how you see it because you are entirely familiar with it. Punctuation and prudent whitespace can especially help a newcomer to parse any kind of semantic content. "Reeval" and "re-eval" may convey the same meaning but the first is more confusing to the uninitiated and likely to mentally parse as "ree-val." I didn't mean that @{$foo} would be automatically understood, only that it is more likely to convey the meaning "array" which is a better starting point for a novice than "crazy compound sigil which I can't seem to find in any of the documents or Google."	[reply]