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In Files

  • psych/lib/psych/nodes/mapping.rb
  • psych/lib/psych/visitors/yaml_tree.rb



This class represents a YAML Mapping.

A Psych::Nodes::Mapping node may have 0 or more children, but must have an even number of children. Here are the valid children a Psych::Nodes::Mapping node may have:



Any Map Style


Block Map Style


Flow Map Style



The optional anchor for this mapping


Is this an implicit mapping?


The style of this mapping


The optional tag for this mapping

Public Class Methods

new(anchor = nil, tag = nil, implicit = true, style = BLOCK) click to toggle source

Create a new Psych::Nodes::Mapping object.

anchor is the anchor associated with the map or nil. tag is the tag associated with the map or nil. implicit is a boolean indicating whether or not the map was implicitly started. style is an integer indicating the mapping style.

See Also

See also Psych::Handler#start_mapping

               # File psych/lib/psych/nodes/mapping.rb, line 47
def initialize anchor = nil, tag = nil, implicit = true, style = BLOCK
  @anchor   = anchor
  @tag      = tag
  @implicit = implicit
  @style    = style

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