## If statements.
variable = null ## Will be changed by the control flow.
unreachable = func assert(false, 'Unreachable') end

if true then variable = 42 else unreachable() end
assert(variable == 42, 'If statement failed.')

if false then unreachable()
elif true then variable = null
else unreachable() end
assert(is_null(variable), 'Elif statement failed.')

if false then unreachable()
elif false then unreachable()
elif false then unreachable()
else variable = "changed" end
assert(variable == "changed", 'Else statement failed.')

if false then unreachable()
elif true
  if false
    unreachable()
  elif true
    variable = 123
  else
    unreachable()
  end
end
assert(variable == 123, 'Nested if statement failed.')

## While statements

while true
	variable = 1212
	if true then break end
end
assert(variable == 1212)


while true
	variable = 22
	if true then elif false then end	
	if false
	elif true
		variable += 2300
	end
	variable += 1
	break
end
assert(variable == 2323)