MetaUtils_test Class Reference

Description

Test:

verify basic type trait and metaprogramming helpers.

• marker types to tell which overload the compiler picks
• simple trait to detect the possibility of a string conversion
• trait to detect (possibly) structured types (»tuple-like«)
• trait to detect a typelist type

Definition at line 49 of file meta-utils-test.cpp.

Classes
struct	SomehowStringy
class	SomehowSubSub
struct	SomehowSubtle
class	Something
class	SubString

Private Types
using	TheList = Types< int,uint,int64_t,uint64_t >::List
using	EmptyList = Nil

Private Member Functions
void	run (Arg)
void	verify_basicTypeProbing ()
void	verify_genericTypeDisplay ()
void	detect_stringConversion ()
void	detect_typeList ()

Static Private Member Functions
static Yes_t	probe (int)
static No_t	probe (...)
template<typename TY >
static bool	can_convert (TY const &)

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Class Documentation

lib::meta::test::MetaUtils_test::Something

class lib::meta::test::MetaUtils_test::Something

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Member Typedef Documentation

TheList

using TheList = Types<int ,uint ,int64_t ,uint64_t >::List

private

Definition at line 169 of file meta-utils-test.cpp.

EmptyList

using EmptyList = Nil

private

Definition at line 175 of file meta-utils-test.cpp.

Member Function Documentation

run()

void run ( Arg  )

inlineprivate

Definition at line 52 of file meta-utils-test.cpp.

References MetaUtils_test::detect_stringConversion(), MetaUtils_test::detect_typeList(), MetaUtils_test::verify_basicTypeProbing(), and MetaUtils_test::verify_genericTypeDisplay().

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verify_basicTypeProbing()

void verify_basicTypeProbing ( )

inlineprivate

Test:

demonstrate the basic type trait detection technique:

• we have two overloads with differing return type
• we form a function call expression
• by investigating the return type, we can figure out which overload the compiler picks.

Definition at line 69 of file meta-utils-test.cpp.

References MetaUtils_test::probe().

Referenced by MetaUtils_test::run().

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probe() [1/2]

static Yes_t probe ( int  )

staticprivate

Referenced by MetaUtils_test::verify_basicTypeProbing().

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probe() [2/2]

static No_t probe (   ... )

staticprivate

verify_genericTypeDisplay()

void verify_genericTypeDisplay ( )

inlineprivate

Definition at line 85 of file meta-utils-test.cpp.

References lib::meta::typeStr().

Referenced by MetaUtils_test::run().

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can_convert()

template<typename TY >

static bool can_convert ( TY const &  )

inlinestaticprivate

Definition at line 128 of file meta-utils-test.cpp.

Referenced by MetaUtils_test::detect_stringConversion().

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detect_stringConversion()

void detect_stringConversion ( )

inlineprivate

Definition at line 134 of file meta-utils-test.cpp.

References MetaUtils_test::can_convert().

Referenced by MetaUtils_test::run().

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detect_typeList()

void detect_typeList ( )

inlineprivate

Definition at line 180 of file meta-utils-test.cpp.

Referenced by MetaUtils_test::run().

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Inheritance diagram for MetaUtils_test:

Collaboration diagram for MetaUtils_test:

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

• meta-utils-test.cpp