Alexandria 2.31.0
SDC-CH common library for the Euclid project
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Public Member Functions | Private Attributes | List of all members
Pyston::Constant< T > Class Template Reference

#include <Constant.h>

Inheritance diagram for Pyston::Constant< T >:
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Public Member Functions

 Constant (T value)
 
std::string repr () const final
 
eval (const Context &, const Arguments &) const final
 
void visit (Visitor &visitor) const final
 
- Public Member Functions inherited from Pyston::Node< T >
 Node ()
 
virtual ~Node ()=default
 
template<typename... Args>
eval (const Context &context, Args... args) const
 
template<typename... Args>
eval (Args... args) const
 
- Public Member Functions inherited from Pyston::NodeBase
 NodeBase (const std::type_index &type_index)
 
virtual ~NodeBase ()=default
 
const std::type_indextype () const
 

Private Attributes

m_value
 

Additional Inherited Members

- Protected Member Functions inherited from Pyston::Node< T >
eval_helper (const Context &context, Arguments &arguments) const
 
template<typename A0 , typename... AN>
eval_helper (const Context &context, Arguments &arguments, A0 v0, AN... an) const
 

Detailed Description

template<typename T>
class Pyston::Constant< T >

Node that just wraps a constant

Template Parameters
TThe type of the constant

Definition at line 32 of file Constant.h.

Constructor & Destructor Documentation

◆ Constant()

template<typename T >
Pyston::Constant< T >::Constant ( value)
inlineexplicit

Constructor

Parameters
valueWrapped value

Definition at line 39 of file Constant.h.

Member Function Documentation

◆ eval()

template<typename T >
T Pyston::Constant< T >::eval ( const Context ,
const Arguments  
) const
inlinefinalvirtual

Evaluate the computing tree

In principle one could avoid to pass any values here, and assign directly the final value to the placeholders that were used to create this tree. However, this would cause the placeholders not to be thread-safe, and a tree would have to be either cloned, either protected by a mutex. Passing the values as an argument allows making the full tree immutable once built, and fully thread safe.

Returns
Result of the evaluation
Note
Obviously this node does nothing with the arguments

Implements Pyston::Node< T >.

Definition at line 53 of file Constant.h.

References Pyston::Constant< T >::m_value.

◆ repr()

template<typename T >
std::string Pyston::Constant< T >::repr ( ) const
inlinefinalvirtual

Returns
A human readable representation of the node
Note
It should not include the representation of the children, if any. That's what visitors are for.

Implements Pyston::NodeBase.

Definition at line 44 of file Constant.h.

References Pyston::Constant< T >::m_value, and std::to_string().

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◆ visit()

template<typename T >
void Pyston::Constant< T >::visit ( Visitor visitor) const
inlinefinalvirtual

Entry point for the visitor

Implements Pyston::NodeBase.

Definition at line 60 of file Constant.h.

Member Data Documentation

◆ m_value

template<typename T >
T Pyston::Constant< T >::m_value
private

Definition at line 66 of file Constant.h.

Referenced by Pyston::Constant< T >::eval(), and Pyston::Constant< T >::repr().


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