xtd::parse::zero_or_one_< _Ty > Class Template Reference

Represents a parse algorithm where the terminal or rule repeats exactly zero or one time in the input stream Always successfully parses whether or not the element parses. More...

Inheritance diagram for xtd::parse::zero_or_one_< _Ty >:

Collaboration diagram for xtd::parse::zero_or_one_< _Ty >:

Public Types
using	_super_t = rule< zero_or_one_< _Ty >>
Public Types inherited from xtd::parse::rule< zero_or_one_< _Ty > >
using	decl_type = zero_or_one_< _Ty >
using	impl_type = zero_or_one_< _Ty >
using	rule_type = rule< zero_or_one_< _Ty >, zero_or_one_< _Ty > >
Public Types inherited from xtd::parse::rule_base
using	pointer_type = std::shared_ptr< rule_base >
using	vector_type = std::vector< pointer_type >

Public Member Functions
template<typename... _ChildRuleTs>
	zero_or_one_ (_ChildRuleTs &&...oChildRules)
Public Member Functions inherited from xtd::parse::rule< zero_or_one_< _Ty > >
	rule (_ChildRuleTs &&...oChildRules)
virtual bool	isa (const std::type_info &oType) const override
	Determines if the interface is implemented by a concrete type. More...
virtual const std::type_info &	type () const override
	Gets the type info of the concrete implementation.
Public Member Functions inherited from xtd::parse::rule_base
template<typename... _ChildRuleTs>
	rule_base (_ChildRuleTs &&...oChildRules)
	Constructor. More...
const vector_type &	items () const
	Accessor for child parse elements. More...

Additional Inherited Members
Protected Attributes inherited from xtd::parse::rule_base
vector_type	_Items

Detailed Description

template<typename _Ty>
class xtd::parse::zero_or_one_< _Ty >

Represents a parse algorithm where the terminal or rule repeats exactly zero or one time in the input stream Always successfully parses whether or not the element parses.

Template Parameters

_Ty	the rule or terminal to parse

Definition at line 202 of file parse.hpp.

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The documentation for this class was generated from the following file:

• parse.hpp