module Dry
module Dry::Types
module Dry::Types::Builder
module Dry::Types::BuilderMethods
module Dry::Types::Coercions
module Dry::Types::Coercions::JSON
module Dry::Types::Coercions::Params
module Dry::Types::Decorator
module Dry::Types::Meta
module Dry::Types::Options
module Dry::Types::Printable
module Dry::Types::Type
class Dry::Types::AnyClass
class Dry::Types::Array
class Dry::Types::Array::Constructor
class Dry::Types::Array::Member
class Dry::Types::CoercionError
class Dry::Types::Compiler
class Dry::Types::Constrained
class Dry::Types::Constrained::Coercible
class Dry::Types::ConstraintError
class Dry::Types::Constructor
class Dry::Types::Constructor::Function
class Dry::Types::Constructor::Function::MethodCall
class Dry::Types::Constructor::Function::MethodCall::PrivateCall
class Dry::Types::Constructor::Function::MethodCall::PrivateSafeCall
class Dry::Types::Constructor::Function::MethodCall::PublicCall
class Dry::Types::Constructor::Function::Safe
class Dry::Types::Container
class Dry::Types::Default
class Dry::Types::Default::Callable
class Dry::Types::Enum
class Dry::Types::FnContainer
class Dry::Types::Hash
class Dry::Types::Hash::Constructor
class Dry::Types::Lax
class Dry::Types::Map
class Dry::Types::Maybe
class Dry::Types::MissingKeyError
class Dry::Types::Module
class Dry::Types::MultipleError
class Dry::Types::Nominal
class Dry::Types::PredicateInferrer
class Dry::Types::PredicateInferrer::Compiler
class Dry::Types::PredicateRegistry
class Dry::Types::PrimitiveInferrer
class Dry::Types::PrimitiveInferrer::Compiler
class Dry::Types::Printer
class Dry::Types::Result
class Dry::Types::Result::Failure
class Dry::Types::Result::Success
class Dry::Types::Schema
class Dry::Types::Schema::Key
class Dry::Types::SchemaError
class Dry::Types::Sum
class Dry::Types::Sum::Constrained
class Dry::Types::UnknownKeysError
dry-types
1.2.2
# optional?
(Boolean)
def optional? primitive?(nil) end