perl -le 'use blib; use Alter qw(ego); $f = ego($a, { 1, 2 });'
current: 166  # OP_METHOD
next: 6       # OP_GVSV
scalar context

perl -le 'use blib; use Alter qw(ego); $f = {ego($a, { 1, 2 })}'
current: 166 # OP_METHOD
next: 144    # OP_ANONLIST   huh?
array context

perl -le 'use blib; use Alter qw(ego); $f = [ego($a, { 1, 2 })]'
current: 166 # OP_METHOD
next: 143    # OP_LSLICE     huh?
array context
Assertion *strp failed: file "av.c", line 392 at -e line 1.  wtf???