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syntax sugar for functions

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hi,
what about funny syntax sugar for functions definition, lazy people are welcome to upvote
function( a ) return a + 2 end -> (a){{ a + 2 }}
function() do-something end -> (){{ do-something }}
 {{ do-something }} 
good for small functions passing as parameter. the idea is that list in {{ }} returns the last calculated expression (or the list)
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Yours sincerely, Eugeny.
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