Class: Calyx::Production::Memo

Inherits:

Object

• Object
• Calyx::Production::Memo

Defined in:

lib/calyx/production/memo.rb

Constant Summary

SIGIL =

'@'.freeze

Instance Method Summary

• #evaluate ⇒ Object
• #initialize(symbol, registry) ⇒ Memo constructor

  A new instance of Memo.

Constructor Details

#initialize(symbol, registry) ⇒ Memo

# File 'lib/calyx/production/memo.rb', line 6

def initialize(symbol, registry)
  @symbol = symbol.slice(1, symbol.length-1).to_sym
  @registry = registry
end

Instance Method Details

#evaluate ⇒ Object

# File 'lib/calyx/production/memo.rb', line 11

def evaluate
  [@symbol, @registry.memoize_expansion(@symbol)]
end