Class: Plumb::MatchClass

Inherits:
Object
  • Object
show all
Includes:
Composable
Defined in:
lib/plumb/match_class.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Composable

#>>, #[], #as_node, #build, #check, #defer, #generate, included, #invalid, #invoke, #match, #metadata, #not, #pipeline, #policy, #static, #to_json_schema, #to_s, #transform, #value, wrap, #|

Methods included from Callable

#parse, #resolve

Constructor Details

#initialize(matcher = Undefined, error: nil, label: nil) ⇒ MatchClass

Returns a new instance of MatchClass.



11
12
13
14
15
16
17
18
19
 
# File 'lib/plumb/match_class.rb', line 11

def initialize(matcher = Undefined, error: nil, label: nil)
  raise ParseError 'matcher must respond to #===' unless matcher.respond_to?(:===)

  @matcher = matcher
  @error = error.nil? ? build_error(matcher) : (error % matcher)
  @label = matcher.is_a?(Class) ? matcher.inspect : "Match(#{label || @matcher.inspect})"
  @children = [matcher].freeze
  freeze
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



9
10
11
 
# File 'lib/plumb/match_class.rb', line 9

def children
  @children
end

Instance Method Details

#call(result) ⇒ Object 



21
22
23
 
# File 'lib/plumb/match_class.rb', line 21

def call(result)
  @matcher === result.value ? result : result.invalid(errors: @error)
end