List

☞ a ≔
List new
• ‘aaa’
• ‘bbb’
• ‘ccc’.

☞ b ≔ List ← ‘x’ ; ‘y’.
✎ write: a, stop.
✎ write: b, stop.
List ← ‘aaa’ ; ‘bbb’ ; ‘ccc’
List ← ‘x’ ; ‘y’