Vocabulary/breakdot

>> <<   Back to: Vocabulary Thru to: Dictionary

break.

Terminate loop

Control

Valid only inside an explicit definition.

---

Stops executing any further sentences in the current block during the current iteration, plus any further iterations.

Use within the block delimited by…

• for. ... end.
• for_ijk. ... end.
• while. ... end.
• whilst. ... end.

---

More Information

The difference between (break.) and (continue.)

• (break.) prematurely terminates the whole loop
• (continue.) prematurely terminates just the current iteration.

   
test_break=: 3 : 0
for_i. i.6 do.
  echo 'before ',":i
  if. i>:3 do. break. end.
  echo 'after ',":i
end.
)

test_continue=: 3 : 0
for_i. i.6 do.
  echo 'BEFORE ',":i
  if. i>:3 do. continue. end.
  echo 'AFTER ',":i
end.
)
   
   test_break''
before 0
after 0
before 1
after 1
before 2
after 2
before 3
   test_continue''
BEFORE 0
AFTER 0
BEFORE 1
AFTER 1
BEFORE 2
AFTER 2
BEFORE 3
BEFORE 4
BEFORE 5

---

Related Primitives

Terminate iteration (continue.), Terminate Fold (x Z: y)