class

Crystalline::Graph::AbstractIterator(T)

Inherits Enumerable / Reference / Object

Instance methods

at_beginning?

at_end?

backward

current

current_edge

each

Must yield this collection's elements to the block.

empty?

Returns true if self does not contain any element.

([] of Int32).empty? # => true
([1]).empty?         # => false
[nil, false].empty?  # => false

first

Returns the first element in the collection. Raises Enumerable::EmptyError if the collection is empty.

([1, 2, 3]).first   # => 1
([] of Int32).first # raises Enumerable::EmptyError

forward

last

move_backward_until

move_forward_until

peek

set_to_begin

set_to_end