REBOL 3 Functions: next

next series

Returns the series at its next position.

Arguments:

series [series! gob! port!]

Description

If the series is at its tail, it will remain at its tail. NEXT will not go past the tail, nor will it wrap to the head.

print next "ABCDE"
BCDE

print next next "ABCDE"
CDE

print next [1 2 3 4]
2 3 4

str: "REBOL"
loop length? str [
    print str
    str: next str
]
L

blk: [red green blue]
loop length? blk [
    probe blk
    blk: next blk
]
[blue]