Whilst Aristotle's Y() combinator is very clever, the requirement to assign the coderef to a local variable complicates the using code.

If something along these lines were to be built-in, I'd like to simplify it so that you could write:

print sub{ ( shift() // return ) + &$^SUB }->( 1 .. 10 );

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In reply to Re^4: (almost) foldl by BrowserUk
in thread (almost) foldl by dk

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