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smallest_cpp03.h
/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2026 John Wellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in all
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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******************************************************************************/
//***************************************************************************
// THIS FILE HAS BEEN AUTO GENERATED. DO NOT EDIT THIS FILE.
//***************************************************************************
//***************************************************************************
//***************************************************************************
template <typename T1, typename T2 = void, typename T3 = void, typename T4 = void,
typename T5 = void, typename T6 = void, typename T7 = void, typename T8 = void,
typename T9 = void, typename T10 = void, typename T11 = void, typename T12 = void,
typename T13 = void, typename T14 = void, typename T15 = void, typename T16 = void>
struct smallest_type
{
private:
// Declaration.
template <bool Boolean, typename TrueType, typename FalseType>
struct choose_type;
// Specialisation for 'true'.
// Defines 'type' as 'TrueType'.
template <typename TrueType, typename FalseType>
struct choose_type<true, TrueType, FalseType>
{
typedef TrueType type;
};
// Specialisation for 'false'.
// Defines 'type' as 'FalseType'.
template <typename TrueType, typename FalseType>
struct choose_type<false, TrueType, FalseType>
{
typedef FalseType type;
};
public:
// Define 'smallest_other' as 'smallest_type' with all but the first parameter.
typedef typename smallest_type<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>::type smallest_other;
// Set 'type' to be the smallest of the first parameter and any of the others.
// This is recursive.
typedef typename choose_type<(sizeof(T1) < sizeof(smallest_other)), // Boolean
T1, // TrueType
smallest_other> // FalseType
::type type; // The smallest type of the two.
// The size of the smallest type.
enum
{
size = sizeof(type)
};
};
//***************************************************************************
// Specialisation for one template parameter.
//***************************************************************************
template <typename T1>
struct smallest_type<T1, void, void, void, void, void, void, void,
void, void, void, void, void, void, void, void>
{
typedef T1 type;
enum
{
size = sizeof(type)
};
};
smallest_type
Definition smallest_cpp03.h:45