CompareBase< T > Struct Template Reference

#include <evo/impl/container.h>

Inheritance diagram for CompareBase< T >:

Detailed Description

template<class T>
struct evo::CompareBase< T >

Base type for comparison types.

• Implement to create a custom comparison type

Public Types
typedef RemoveConst< T >::Type	Item
	Item type (const removed) More...
typedef DataCopy< T >::PassType	PassItem
	Best type for passing Item, either const Item& (by reference) or Item (by value) for POD types. More...

Public Member Functions
virtual int	operator() (PassItem a, PassItem b) const =0
	Comparison method. More...

Member Typedef Documentation

Item

typedef RemoveConst<T>::Type Item

inherited

Item type (const removed)

PassItem

typedef DataCopy<T>::PassType PassItem

Best type for passing Item, either const Item& (by reference) or Item (by value) for POD types.

Member Function Documentation

operator()()

virtual int operator() ( PassItem  a, PassItem  b  ) const

pure virtual

Comparison method.

Parameters

a	Item a to compare (left side)
b	Item b to compare (right side)

Returns

Comparison result: 0:equal, negative:(a < b), positive:(a > b)

Implemented in CompareIR< T >, CompareI< T >, CompareR< T >, and Compare< T >.

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

• evo/impl/container.h