Class: T::ImmutableStruct

Inherits:
InexactStruct show all
Defined in:
lib/sorbet/eraser/t/struct.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Props

included

Constructor Details

#initialize(hash = {}) ⇒ ImmutableStruct

Returns a new instance of ImmutableStruct.



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# File 'lib/sorbet/eraser/t/struct.rb', line 36

def initialize(hash = {})
  super
  freeze
end

Class Method Details

.inherited(child) ⇒ Object 



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# File 'lib/sorbet/eraser/t/struct.rb', line 27

def self.inherited(child)
  super(child)
  
  child.define_singleton_method(:inherited) do |grandchild|
    super(grandchild)
    raise "#{grandchild.name} is a subclass of T::ImmutableStruct and cannot be subclassed"
  end
end

.prop(name, rules = {}) ⇒ Object

Matches the signature in Props, but raises since this is an immutable struct and only const is allowed



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# File 'lib/sorbet/eraser/t/struct.rb', line 42

def self.prop(name, rules = {})
  return super if rules[:immutable]
  
  raise "Cannot use `prop` in #{self.name} because it is an immutable struct. Use `const` instead"
end

Instance Method Details

#with(changed_props) ⇒ Object 



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# File 'lib/sorbet/eraser/t/struct.rb', line 48

def with(changed_props)
  raise "Cannot use `with` in #{self.class.name} because it is an immutable struct"
end