Class: Visit

Eleven~ Visit

Base class with methods to validate and visit a tree. Private method names start with an underscore.

Name	Type	Description
`trace`	RegExp	selects matching tags to trace visits.
`errors`	number	count of calls to `_error()`.

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_dump(node [, shallow])

Creates a deep display of a node.

Name	Type	Argument	Description
`node`	Array		to recursively traverse.
`shallow`	number	<optional>	limits depth if non-negative, by default unlimited.

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_error()

Displays and counts an error message.

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_tree(node)

Recursively checks tree tags, throws an error if there is a problem.

Name	Type	Description
`node`	Array	to validate.

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visit(node [, trace])

Visits a (valid!) tree node, returns either node itself or the result of calling tag as method for an array.

Name	Type	Argument	Description
`node`	Array		to visit, using the tag as a method name and the node as argument.
`trace`	RegExp	<optional>	sets `.trace` if specified.

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