codi::ExpressionTraits::NumberOfActiveTypeArguments< Expr > Struct Template Reference

Counts the number of nodes that inherit from LhsExpressionInterface in the expression. More...

#include <expressionTraits.hpp>

Inheritance diagram for codi::ExpressionTraits::NumberOfActiveTypeArguments< Expr >:

Public Types
using	Base = CompileTimeTraversalLogic<size_t, NumberOfActiveTypeArguments<Expr>>
	Abbreviation for the base class type.
Public Types inherited from codi::CompileTimeTraversalLogic< size_t, NumberOfActiveTypeArguments< Expr > >
using	Impl
	See CompileTimeTraversalLogic.
using	ResultType
	See CompileTimeTraversalLogic.

Public Member Functions
template<typename Node, typename = ExpressionTraits::EnableIfLhsExpression<Node>>
inlinestatic size_t constexpr	leaf ()
	Called for all leaf nodes in the expression.
Public Member Functions inherited from codi::CompileTimeTraversalLogic< size_t, NumberOfActiveTypeArguments< Expr > >
inlinestatic ResultType constexpr	eval (Args &&... args)
	Start the evaluation of the logic on the given expression.
inlinestatic ResultType constexpr	eval (Args &&... args)
	Start the evaluation of the logic on the given expression.
inlinestatic ResultType constexpr	toLinks (Args &&... args)
	Helper method which calls the method 'link' on all links of the node and reduces the results.
inlinestatic ResultType constexpr	toLinks (Args &&... args)
	Helper method which calls the method 'link' on all links of the node and reduces the results.
inlinestatic ResultType constexpr	reduce (ResultType a, ResultType b)
	Reduction operation for the results of two links.
inlinestatic ResultType constexpr	node (Args &&... args)
	Called for each node in the expression.
inlinestatic ResultType constexpr	leaf (Args &&...)
	Called for all leaf nodes in the expression.
inlinestatic ResultType constexpr	link (Args &&... args)
	Called for all links in the expression.
inlinestatic ResultType constexpr	reduce (ResultType a, ResultType b)
	Reduction operation for the results of two links.
inlinestatic ResultType constexpr	node (Args &&... args)
	Called for each node in the expression.
inlinestatic ResultType constexpr	leaf (Args &&...)
	Called for all leaf nodes in the expression.
inlinestatic ResultType constexpr	link (Args &&... args)
	Called for all links in the expression.

Static Public Attributes
static size_t constexpr	value = Base::template eval<Expr>()
	See NumberOfActiveTypeArguments.
Static Public Attributes inherited from codi::CompileTimeTraversalLogic< size_t, NumberOfActiveTypeArguments< Expr > >
static ResultType constexpr	NeutralElement
	Neutral element of the reduction.
static ResultType constexpr	NeutralElement
	Neutral element of the reduction.

Additional Inherited Members
Protected Member Functions inherited from codi::CompileTimeTraversalLogic< size_t, NumberOfActiveTypeArguments< Expr > >
inlinestatic ResultType constexpr	toNode (Args &&... args)
	Helper method to distinguish between leaf nodes and normal nodes.
inlinestatic ResultType constexpr	toNode (Args &&... args)
	Helper method to distinguish between leaf nodes and normal nodes.

Detailed Description

template<typename Expr>
struct codi::ExpressionTraits::NumberOfActiveTypeArguments< Expr >

Counts the number of nodes that inherit from LhsExpressionInterface in the expression.

Member Function Documentation

leaf()

template<typename Expr>

template<typename Node, typename = ExpressionTraits::EnableIfLhsExpression<Node>>

inlinestatic size_t constexpr codi::ExpressionTraits::NumberOfActiveTypeArguments< Expr >::leaf ( )

inlineconstexpr

Called for all leaf nodes in the expression.

Must be a constexpr.

Default: Returns NeutralElement.

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

• include/codi/traits/expressionTraits.hpp