Class: Deterministic::PatternMatching::Match

Inherits:
Object
  • Object
show all
Defined in:
lib/deterministic/either/match.rb

Defined Under Namespace

Classes: Matcher

Instance Method Summary collapse

Constructor Details

#initialize(container, context) ⇒ Match

Returns a new instance of Match.



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# File 'lib/deterministic/either/match.rb', line 12

def initialize(container, context)
  @container  = container
  @context    = context
  @collection = []
end

Instance Method Details

#any(value = nil, &result_block) ⇒ Object

catch-all



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# File 'lib/deterministic/either/match.rb', line 33

def any(value=nil, &result_block)
  push(Object, value, result_block)
end

#result ⇒ Object

Raises:



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# File 'lib/deterministic/either/match.rb', line 18

def result
  matcher = @collection.detect { |m| m.matches?(@container.value) }
  raise NoMatchError, "No could be made for #{@container}" if matcher.nil?
  @context.instance_exec(@container.value, &matcher.block)
end