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StopIteration -- stop iteration

Description

This symbol is returned by next to signal that iteration is complete.

i1 : iter = iterator {1, 2, 3}

o1 = iter

o1 : Iterator

i2 : next iter

o2 = 1

i3 : next iter

o3 = 2

i4 : next iter

o4 = 3

i5 : next iter

o5 = StopIteration

o5 : Symbol

See also

Iterator -- class for iterators
iterator -- get an iterator
next -- get the next object from an iterator

For the programmer

The object StopIteration is a symbol.