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Too much abstract freedom? N adjacent tree nodes, N neighbouring states, etc.

Hm. I'm not convinced by that argument.

  1. map is a piece of paper with colored lines and symbols; or the process of making one.
  2. reduce, is what you do to a good sauce or damaged goods.

I think context and convention; along with conciseness and memorability are key here.

For each element, one property is defined: the successor.

Hm. Can you have a successor without a predecessor? And actually, this deals with both -- or potentially more:

sub mapAdj(&$@) { local( $a, $b, $c, $d, $e, $f, $g, $h, $i, $j ); my( $code, $n ) = ( shift, shift ); map $code->( ($a, $b, $c, $d, $e, $f, $g, $h, $i, $j ) = @_[ $_-$n .. $_ ] ), --$n .. $#_; } my @accum = mapAdj{ $a + $b + $c } 3, 1..10;

And 'successor' tends to have mathematical connotations which don't apply to a list of *any*things.

For the simple case of adjacent pairs, I toyed with forByTwo() :)

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In reply to Re^4: Want for a name? (between) by BrowserUk
in thread Want for a name? by BrowserUk

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