Class: RBS::Types::Variable

Inherits:
Object
  • Object
show all
Includes:
EmptyEachType, NoTypeName
Defined in:
lib/rbs/types.rb

Constant Summary collapse

@@count =
0

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from EmptyEachType

#each_type, #map_type

Methods included from NoTypeName

#map_type_name

Constructor Details

#initialize(name:, location:) ⇒ Variable

Returns a new instance of Variable.



114
115
116
117
# File 'lib/rbs/types.rb', line 114

def initialize(name:, location:)
  @name = name
  @location = location
end

Instance Attribute Details

#locationObject (readonly)

Returns the value of attribute location.



110
111
112
# File 'lib/rbs/types.rb', line 110

def location
  @location
end

#nameObject (readonly)

Returns the value of attribute name.



109
110
111
# File 'lib/rbs/types.rb', line 109

def name
  @name
end

Class Method Details

.build(v) ⇒ Object



143
144
145
146
147
148
149
150
# File 'lib/rbs/types.rb', line 143

def self.build(v)
  case v
  when Symbol
    new(name: v, location: nil)
  when Array
    v.map {|x| new(name: x, location: nil) }
  end
end

.fresh(v = :T) ⇒ Object



153
154
155
156
# File 'lib/rbs/types.rb', line 153

def self.fresh(v = :T)
  @@count = @@count + 1
  new(name: :"#{v}@#{@@count}", location: nil)
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql?



119
120
121
# File 'lib/rbs/types.rb', line 119

def ==(other)
  other.is_a?(Variable) && other.name == name
end

#free_variables(set = Set.new) ⇒ Object



129
130
131
132
133
# File 'lib/rbs/types.rb', line 129

def free_variables(set = Set.new)
  set.tap do
    set << name
  end
end

#hashObject



125
126
127
# File 'lib/rbs/types.rb', line 125

def hash
  self.class.hash ^ name.hash
end

#sub(s) ⇒ Object



139
140
141
# File 'lib/rbs/types.rb', line 139

def sub(s)
  s.apply(self)
end

#to_json(state = _ = nil) ⇒ Object



135
136
137
# File 'lib/rbs/types.rb', line 135

def to_json(state = _ = nil)
  { class: :variable, name: name, location: location }.to_json(state)
end

#to_s(level = 0) ⇒ Object



158
159
160
# File 'lib/rbs/types.rb', line 158

def to_s(level = 0)
  name.to_s
end