Blocks

Blocks are yöctọ code surrounded by brackets, { code }

These are associated with block functions, like conditionals and loops.

Blocks allow internal blocks.

Block Functions

	Use	Fraction	Character	List	Observations
F	a{code}F	pop a for î = 0..a-1   push î   code î can be used inside	NA	pop a for î in a   push î   code	for loop progress variable î can be used inside
G	a{code}G	pop a for î = a-1..0   push î   code î can be used inside	NA	pop a for î in invert(a)   push î   code	inverted for loop progress variable î can be used inside
W	a{code}W	while pop==True   code	ibid.	ibid.	while loop a non-empty list and any Chr are considered True