Module: T::Types::Simple::Private::Pool
- Defined in:
- lib/types/types/simple.rb
Constant Summary collapse
- CACHE_FROZEN_OBJECTS =
begin ObjectSpace::WeakMap.new[1] = 1 true # Ruby 2.7 and newer rescue ArgumentError # Ruby 2.6 and older false end
Class Method Summary collapse
Class Method Details
.type_for_module(mod) ⇒ Object
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# File 'lib/types/types/simple.rb', line 72 def self.type_for_module(mod) cached = @cache[mod] return cached if cached type = if mod == ::Array T::Array[T.untyped] elsif mod == ::Hash T::Hash[T.untyped, T.untyped] elsif mod == ::Enumerable T::Enumerable[T.untyped] elsif mod == ::Enumerator T::Enumerator[T.untyped] elsif mod == ::Range T::Range[T.untyped] elsif !Object.autoload?(:Set) && Object.const_defined?(:Set) && mod == ::Set T::Set[T.untyped] else Simple.new(mod) end # Unfortunately, we still need to check if the module is frozen, # since on 2.6 and older WeakMap adds a finalizer to the key that is added # to the map, so that it can clear the map entry when the key is # garbage collected. # For a frozen object, though, adding a finalizer is not a valid # operation, so this still raises if `mod` is frozen. if CACHE_FROZEN_OBJECTS || (!mod.frozen? && !type.frozen?) @cache[mod] = type end type end |