REBOL 3 Docs Guide Concepts Functions Datatypes Errors
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REBOL 3 Functions: next

next  series

Returns the series at its next position.

Arguments:

series [series! gob! port!]

See also:

back   first   head   tail   head?   tail?  

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]


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