class

Pegasus::Pda::Item

Inherits JSON::Serializable / Reference / Object

An single production item, without a dot or any kind of state.

Constructors

new(head : Pegasus::Elements::NonterminalId, body : Array(Pegasus::Elements::NonterminalId | Pegasus::Elements::TerminalId))

Creates a new item with the given head and body.

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new(pull : JSON::PullParser)
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new(*, __pull_for_json_serializable pull : JSON::PullParser)
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Instance methods

==(other : Item)

Compares equality with the given other item.

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body

The body of terminals and nonterminals on the right of the production rule.

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hash(hasher)

Hashes this item.

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head

The nonterminal on the left of the production rule, into which the right hand side is converted.

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to_s(io)
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