REBOL 3 Functions: tail?

tail? series

Returns TRUE if empty, or for series, if index is at or beyond its tail.

Arguments:

series [series! gob! port! bitset! map!]

Description

This function is the best way to detect the end of a series while moving through it.

print tail? "string"
false

print tail? tail "string"
true

str: "Ok"
print tail? tail str
true

print tail? next next str
true

items: [oven sink stove blender]
while [not tail? items] [
    print first items
    items: next items
]
blender

blk: [1 2]
print tail? tail blk
true

print tail? next next blk
true