list ==l
list ==m

/foo l .append
/bar l .append
/quux l .append

l { dump } each

[ /a /b /c ] m .append

m { dump } each
m len dump

2 m * dump

[ /a /b /c ] m .append1

m { dump } each

list _ [ 1 2 3 ] -01 .append
list _ [ 3 4 5 ] -01 .append
  add ==a

a dump
a len dump
a |dump each

a .pop

a dump
a len dump
a |dump each

42 a .append

a dump
a len dump
a |dump each