It really comes down to whether you conceive of $ as being a separate concept from the variable. If you conceive of $ as a kind of escape that indicates the next token is a variable name to be read, then $ is really nothing more than a function that doesn't need parens. If instead you see $ as part of the variable name, then it makes sense for $ to always be coupled whenever a variable is referenced. It's my sense that people don't see $ as an escape, they see it a part of the name. ChrisReceived on Friday, 25 May 2012 21:31:39 UTC
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