Definition

The xtd::expressions namespace provides a lightweight, composable expression template framework for building and evaluating lazy, strongly-typed functional expressions from arbitrary callables.

Classes
struct	add
	The xtd::expressions::add is the add expression. More...
struct	and_
	The xtd::expressions::and_ is the bitwise and expression. More...
struct	args
	Generates a set of positional args that can be decomposed using structured bindings to build readable and composable expression templates. More...
struct	argument
	The xtd::expressions::arg object is arg for all expressions. More...
struct	argument_expression
	The xtd::expressions::argument_expression is the base class for xtd::expressions::arg. More...
struct	binary_expression
	The xtd::expressions::binary_expression is the base class for xtd::expressions::arg. More...
struct	compare_three_way
	The xtd::expressions::compare_three_way is the three_way_comparison expression. More...
struct	conditional_expression
	The xtd::expressions::conditional_expression is the base class for xtd::expressions::arg. More...
struct	constant
	The xtd::expressions::constant is the constant wrapper. More...
struct	divide
	The xtd::expressions::divide is the division expression. More...
struct	equal
	The xtd::expressions::equal is the equal expression. More...
struct	expression
	Provides the base class from which the classes that represent expression tree nodes are derived. It also contains static factory methods to create the various node types. This is an abstract class. More...
struct	expression_stream
	The xtd::expressions::expression_stream is the streamable class for expression objects. More...
struct	greater_than
	The xtd::expressions::greater_than is the greater expression. More...
struct	greater_than_or_equal
	The xtd::expressions::greater_than_or_equal is the greater or equal expression. More...
struct	if_then_else_expression
	The xtd::expressions::if_then_else_expression is the addition expression. More...
struct	invocation_expression
	The xtd::expressions::invocation_expression is the base class for xtd::expressions::arg. More...
struct	left_shift
	The xtd::expressions::left_shift is the bitwise left expression. More...
struct	less_than
	The xtd::expressions::less_than is the less expression. More...
struct	less_than_or_equal
	The xtd::expressions::less_than_or_equal is the less or equal expression. More...
struct	logical_and
	The xtd::expressions::logical_and is the and alse expression. More...
struct	logical_not
	The xtd::expressions::logical_not is the not expression. More...
struct	logical_or
	The xtd::expressions::logical_or is the or expression. More...
struct	member_expression
	The xtd::expressions::as_expression method convert a type as xtd::expressions::expression or xtd::expressions::constant. More...
struct	member_type
	The xtd::expressions::member_type contains the member type. More...
struct	method_call_expression
	The xtd::expressions::as_expression method convert a type as xtd::expressions::expression or xtd::expressions::constant. More...
struct	method_type
	The xtd::expressions::method_type contains the method type. More...
struct	modulo
	The xtd::expressions::modulo is the modulo expression. More...
struct	multiply
	The xtd::expressions::multiply is the multiplication expression. More...
struct	not_
	The xtd::expressions::not_ is the bitwise not expression. More...
struct	not_equal
	The xtd::expressions::not_equal is the not equal expression. More...
struct	or_
	The xtd::expressions::or_ is the bitwise or expression. More...
struct	right_shift
	The xtd::expressions::right_shift is the bitwise right expression. More...
struct	subtract_expression
	The xtd::expressions::subtract_expression is the subtract expression. More...
struct	unary_expression
	The xtd::expressions::unary_expression is the base class for xtd::expressions::arg. More...
struct	unary_minus_expression
	The xtd::expressions::unary_minus_expression is the unary minus expression. More...
struct	unary_plus_expression
	The xtd::expressions::unary_plus_expression is the unary plus expression. More...
struct	value
	The xtd::expressions::value is the value wrapper. More...
struct	value_expression
	The xtd::expressions::value_expression is the base class for xtd::expressions::arg. More...
struct	xor_
	The xtd::expressions::xor_ is the bitwise xor expression. More...

Enumerations
enum class	operator_precedence { operator_precedence::highest , operator_precedence::arg , operator_precedence::constant , operator_precedence::value , operator_precedence::scope_resolution , operator_precedence::postfix_increment , operator_precedence::postfix_decrement , operator_precedence::functional_cast , operator_precedence::function_call , operator_precedence::subscript , operator_precedence::member_access , operator_precedence::method_access , operator_precedence::prefix_increment , operator_precedence::prefix_decrement , operator_precedence::unary_plus , operator_precedence::unary_minus , operator_precedence::logical_not , operator_precedence::bitwise_not , operator_precedence::c_ctyle_cast , operator_precedence::indirection , operator_precedence::address_of , operator_precedence::reflection , operator_precedence::size_of , operator_precedence::await , operator_precedence::new_allocation , operator_precedence::delete_dallocation , operator_precedence::pointer_to_member , operator_precedence::multiplication , operator_precedence::division , operator_precedence::modulo , operator_precedence::addition , operator_precedence::subtraction , operator_precedence::bitwise_left , operator_precedence::bitwise_right , operator_precedence::three_way_comparison , operator_precedence::relational , operator_precedence::less , operator_precedence::less_or_equal , operator_precedence::greater , operator_precedence::greater_or_equal , operator_precedence::equality , operator_precedence::equal , operator_precedence::not_equal , operator_precedence::bitwise_and , operator_precedence::bitwise_xor , operator_precedence::bitwise_or , operator_precedence::logical_and , operator_precedence::logical_or , operator_precedence::ternary , operator_precedence::throws , operator_precedence::yield , operator_precedence::assignment , operator_precedence::compound_assignment , operator_precedence::compound_sum_assignment , operator_precedence::compound_difference_assignment , operator_precedence::compound_product_assignment , operator_precedence::compound_quotient_assignment , operator_precedence::compound_modulo_assignment , operator_precedence::compound_bitwise_left_assignment , operator_precedence::compound_bitwise_right_assignment , operator_precedence::compound_bitwise_and_assignment , operator_precedence::compound_bitwise_xor_assignment , operator_precedence::compound_bitwise_or_assignment , operator_precedence::comma , operator_precedence::lowest }
	Specifies the operator precedence. More...

Functions
template<typename member_t>
constexpr auto	member (member_t member)
	The xtd::expressions::member is use to bind object member.
template<typename member_t>
constexpr auto	member (const char *name, member_t member)
	The xtd::expressions::member is use to bind object member.
template<typename method_t, typename... args_t>
constexpr auto	method (method_t method, args_t &&... args)
	The xtd::expressions::method is use to bind object method.
template<typename method_t, typename... args_t>
constexpr auto	method (const char *name, method_t method, args_t &&... args)
	The xtd::expressions::method is use to bind object method.

Variables
template<size_t index>
constexpr argument< index >	arg
	Gets the index argument used by expression.

Public Variables
constexpr auto	_
	The xtd::expressions::_ arg instance is used by expression that have only one argument.
constexpr auto	_1
	The xtd::expressions::_1 arg instance is first argument used by expression.
constexpr auto	_2
	The xtd::expressions::_2 arg instance is second argument used by expression.
constexpr auto	_3
	The xtd::expressions::_3 arg instance is third argument used by expression.
constexpr auto	_4
	The xtd::expressions::_4 arg instance is fourth argument used by expression.
constexpr auto	_5
	The xtd::expressions::_5 arg instance is fifth argument used by expression.
constexpr auto	_6
	The xtd::expressions::_6 arg instance is sixth argument used by expression.
constexpr auto	_7
	The xtd::expressions::_7 arg instance is seventh argument used by expression.
constexpr auto	_8
	The xtd::expressions::_8 arg instance is eighth argument used by expression.
constexpr auto	_9
	The xtd::expressions::_9 arg instance is ninth argument used by expression.
constexpr auto	_10
	The xtd::expressions::_10 arg instance is tenth argument used by expression.

Public Operators
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator+ (left_t left, right_t right)
	Add the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator& (left_t left, right_t right)
	Subtract the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator<=> (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator/ (left_t left, right_t right)
	Divide the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator== (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator> (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator>= (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename condition_t, typename then_t, typename else_t> requires expression_operand<condition_t> \|\| expression_operand<then_t> \|\| expression_operand<else_t>
constexpr auto	if_then_else (condition_t condition, then_t then_, else_t else_)
	If condition is true return then_ else retur nelse_.
template<typename left_t, typename right_t> requires (expression_operand<left_t> \|\| expression_operand<right_t>) && (!std::is_base_of_v<std::ostream, std::remove_reference_t <left_t>>)
constexpr auto	operator<< (left_t left, right_t right)
	Subtract the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator< (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator<= (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator&& (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename value_t> requires expression_operand<value_t>
constexpr auto	operator! (value_t value)
	Add the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator\|\| (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename expression_t, typename member_t> requires expression_operand<expression_t> \|\| expression_operand<member_type<member_t>>
constexpr auto	operator* (expression_t expression, member_type< member_t > member)
	Bind member operator.
template<typename expression_t, typename member_t> requires expression_operand<expression_t> \|\| expression_operand<member_type<member_t>>
constexpr auto	operator\| (expression_t expression, member_type< member_t > member)
	Bind member operator.
template<typename expression_t, typename method_t, typename... stored_args_t> requires expression_operand<expression_t> \|\| expression_operand<method_type<method_t, stored_args_t...>>
constexpr auto	operator* (expression_t expression, method_type< method_t, stored_args_t... > method)
	Bind method operator.
template<typename expression_t, typename method_t, typename... stored_args_t> requires expression_operand<expression_t> \|\| expression_operand<method_type<method_t, stored_args_t...>>
constexpr auto	operator\| (expression_t expression, method_type< method_t, stored_args_t... > method)
	Bind method alternative operator.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator% (left_t left, right_t right)
	Performs a modulo on the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator* (left_t left, right_t right)
	Multiply the specified left and right operands.
template<typename value_t> requires expression_operand<value_t>
constexpr auto	operator~ (value_t value)
	Add the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator!= (left_t left, right_t right)
	Equal to the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator\| (left_t left, right_t right)
	Subtract the specified left and right operands.
template<typename left_t, typename right_t> requires (expression_operand<left_t> \|\| expression_operand<right_t>) && (!std::is_base_of_v<std::istream, std::remove_reference_t <left_t>>)
constexpr auto	operator>> (left_t left, right_t right)
	Subtract the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator- (left_t left, right_t right)
	Subtract the specified left and right operands.
template<typename value_t> requires expression_operand<value_t>
constexpr auto	operator- (value_t value)
	Add the specified left and right operands.
template<typename value_t> requires expression_operand<value_t>
constexpr auto	operator+ (value_t value)
	Add the specified left and right operands.
template<typename left_t, typename right_t> requires expression_operand<left_t> \|\| expression_operand<right_t>
constexpr auto	operator^ (left_t left, right_t right)
	Subtract the specified left and right operands.

Public Functions
template<typename type_t> requires expression_operand<type_t>
constexpr decltype(auto)	as_expression (type_t &&value)
	The xtd::expressions::as_expression method convert a type as xtd::expressions::expression.
template<typename type_t> requires (!expression_operand<type_t>)
constexpr auto	as_expression (type_t &&value)
	The xtd::expressions::as_expression method convert a type as xtd::expressions::value.

Definition

Classes

Enumerations

Functions

Variables

Public Variables

Public Operators

Public Functions