arrow function syntax simplified
brendan at mozilla.com
Tue Mar 27 12:43:52 PDT 2012
Use => only with an expression body (do-expressions if accepted allow
statements and combined with => compete with block-lambdas).
Use -> only with body block, as for long-form function.
I deferred other accretions.
In a rush here, comments and corrections welcome and I'll edit as I can.
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