Module: Increase::Internal::Type::Union Private

Includes:
Converter, Util::SorbetRuntimeSupport
Defined in:
lib/increase/internal/type/union.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Methods included from Util::SorbetRuntimeSupport

#const_missing, #define_sorbet_constant!, #sorbet_constant_defined?, to_sorbet_type

Methods included from Converter

coerce, dump, inspect, type_info

Instance Method Details

#==(other) ⇒ Boolean

Parameters:

  • other (Object)

Returns:



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# File 'lib/increase/internal/type/union.rb', line 107

def ==(other)
  Increase::Internal::Type::Union === other && other.derefed_variants == derefed_variants
end

#===(other) ⇒ Boolean

Parameters:

  • other (Object)

Returns:



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# File 'lib/increase/internal/type/union.rb', line 96

def ===(other)
  known_variants.any? do |_, variant_fn|
    variant_fn.call === other
  end
end

#coerce(value, state:) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • value (Object)
  • state (Hash{Symbol=>Object}) —

    .

    @option state [Boolean, :strong] :strictness

    @option state [HashSymbol=>Object] :exactness

    @option state [Integer] :branched

Returns:

  • (Object) 


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# File 'lib/increase/internal/type/union.rb', line 129

def coerce(value, state:)
  if (target = resolve_variant(value))
    return Increase::Internal::Type::Converter.coerce(target, value, state: state)
  end

  strictness = state.fetch(:strictness)
  exactness = state.fetch(:exactness)
  state[:strictness] = strictness == :strong ? true : strictness

  alternatives = []
  known_variants.each do |_, variant_fn|
    target = variant_fn.call
    exact = state[:exactness] = {yes: 0, no: 0, maybe: 0}
    state[:branched] += 1

    coerced = Increase::Internal::Type::Converter.coerce(target, value, state: state)
    yes, no, maybe = exact.values
    if (no + maybe).zero? || (!strictness && yes.positive?)
      exact.each { exactness[_1] += _2 }
      state[:exactness] = exactness
      return coerced
    elsif maybe.positive?
      alternatives << [[-yes, -maybe, no], exact, coerced]
    end
  end

  case alternatives.sort_by(&:first)
  in []
    exactness[:no] += 1
    if strictness == :strong
      message = "no possible conversion of #{value.class} into a variant of #{target.inspect}"
      raise ArgumentError.new(message)
    end
    value
  in [[_, exact, coerced], *]
    exact.each { exactness[_1] += _2 }
    coerced
  end
    .tap { state[:exactness] = exactness }
ensure
  state[:strictness] = strictness
end

#dump(value, state:) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • value (Object)
  • state (Hash{Symbol=>Object}) —

    .

    @option state [Boolean] :can_retry

Returns:

  • (Object) 


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# File 'lib/increase/internal/type/union.rb', line 181

def dump(value, state:)
  if (target = resolve_variant(value))
    return Increase::Internal::Type::Converter.dump(target, value, state: state)
  end

  known_variants.each do
    target = _2.call
    return Increase::Internal::Type::Converter.dump(target, value, state: state) if target === value
  end

  super
end

#hash ⇒ Integer

Returns:

  • (Integer) 


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# File 'lib/increase/internal/type/union.rb', line 114

def hash = variants.hash

#inspect(depth: 0) ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • depth (Integer) (defaults to: 0)

Returns:

  • (String) 


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# File 'lib/increase/internal/type/union.rb', line 217

def inspect(depth: 0)
  if depth.positive?
    return is_a?(Module) ? super() : self.class.name
  end

  members = variants.map { Increase::Internal::Type::Converter.inspect(_1, depth: depth.succ) }
  prefix = is_a?(Module) ? name : self.class.name

  "#{prefix}[#{members.join(' | ')}]"
end

#to_sorbet_type ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Object) 


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# File 'lib/increase/internal/type/union.rb', line 197

def to_sorbet_type
  types = variants.map { Increase::Internal::Util::SorbetRuntimeSupport.to_sorbet_type(_1) }.uniq
  case types
  in []
    T.noreturn
  in [type]
    type
  else
    T.any(*types)
  end
end

#variants ⇒ Array<Object>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

All of the specified variants for this union.

Returns:

  • (Array<Object>) 


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# File 'lib/increase/internal/type/union.rb', line 28

def variants = derefed_variants.map(&:last)