Not exactly sure but "unary plus" might get you on the right track. Basically the plus doesn't change the value but tells the parser after it's seen print that the next parens it sees aren't for it ("I am altering the parse tree. Pray I don't alter it further." — Darth Syntaxus).

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^3: set context for method's return values by Fletch
in thread set context for method's return values by demoralizer

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