struct

Mica::XML::NodeSet

Inherits Enumerable < Struct < Value < Object

An ordered collection of nodes, as returned by Node#children and XPath node-set results.

Constructors

new(nodes : Array(Node) = [] of Node)

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Instance methods

[](index : Int) : Node

Returns the node at index. Raises IndexError when out of range.

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[]?(index : Int) : Node | Nil

Returns the node at index, or nil.

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each

Must yield this collection's elements to the block.

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empty?

Returns true if self does not contain any element.

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

#present? returns the inverse.

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inspect(io : IO) : Nil

Appends this struct's name and instance variables names and values to the given IO.

struct Point
  def initialize(@x : Int32, @y : Int32)
  end
end

p1 = Point.new 1, 2
p1.to_s    # "Point(@x=1, @y=2)"
p1.inspect # "Point(@x=1, @y=2)"

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size

Returns the number of elements in the collection.

[1, 2, 3, 4].size # => 4

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to_a

Returns the nodes as an array.

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to_s(io : IO) : Nil

Same as #inspect(io).

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