Serves as component for functionality handling error and return types. More...

Namespaces
	detail
	Serves as namespace for result implementation details.

Classes
struct	ResultInfo
	Basic result information template, used by `a_util::result::Result`. More...

struct	ResultInfo< void >
	Implements basic success result information for usage with `a_util::result::Result`. More...

class	Result
	A common result class usable as return value throughout. More...

Enumerations
enum	ResultFormatFlags { DisableNone = 0x00 , DisableCode = 0x01 , DisableName = 0x02 , DisableMessage = 0x04 , DisableFile = 0x08 , DisableLine = 0x10 , DisableFunction = 0x20 }
	Define flags. More...

Functions
template<typename ResultType >
bool	isOk (const ResultType &result)
	Check whether a return value indicates a successful function execution. More...

template<typename ResultType >
bool	isFailed (const ResultType &result)
	Check whether a return value indicates an unsuccessful function execution. More...

template<typename ResultTypeLHS , typename ResultTypeRHS >
bool	operator== (const ResultInfo< ResultTypeLHS > &lhs, const ResultInfo< ResultTypeRHS > &rhs)
	Compare two specialized result information objects for equality. More...

template<typename ResultTypeLHS , typename ResultTypeRHS >
bool	operator!= (const ResultInfo< ResultTypeLHS > &lhs, const ResultInfo< ResultTypeRHS > &rhs)
	Compare two specialized result information objects for inequality. More...

template<typename ResultTypeLHS , typename ResultTypeRHS >
bool	operator< (const ResultInfo< ResultTypeLHS > &lhs, const ResultInfo< ResultTypeRHS > &rhs)
	Less-than operator for two specialized result information objects. More...

template<typename ResultTypeLHS , typename ResultTypeRHS >
bool	operator> (const ResultInfo< ResultTypeLHS > &lhs, const ResultInfo< ResultTypeRHS > &rhs)
	Greater-than operator for two specialized result information objects. More...

template<typename ResultTypeLHS , typename ResultTypeRHS >
bool	operator<= (const ResultInfo< ResultTypeLHS > &lhs, const ResultInfo< ResultTypeRHS > &rhs)
	Less-than-or-equal operator for two specialized result information objects. More...

template<typename ResultTypeLHS , typename ResultTypeRHS >
bool	operator>= (const ResultInfo< ResultTypeLHS > &lhs, const ResultInfo< ResultTypeRHS > &rhs)
	Greater-than-or-equal operator for two specialized result information objects. More...

bool	operator== (const Result &lhs, const Result &rhs)

bool	operator!= (const Result &lhs, const Result &rhs)
	Negated comparison operator (shallow comparison) More...

template<typename T >
bool	operator== (const Result &result, const ResultInfo< T > &error_code)
	Comparison operator (equality) for objects of type Result and ResultInfo. More...

template<typename T >
bool	operator!= (const Result &result, const ResultInfo< T > &error_code)
	Comparison operator (inequality) for objects of type Result and ResultInfo. More...

template<typename T >
bool	operator== (const ResultInfo< T > &error_code, const Result &result)
	Comparison operator (equality) for objects of type Result and ResultInfo. More...

template<typename T >
bool	operator!= (const ResultInfo< T > &error_code, const Result &result)
	Comparison operator (inequality) for objects of type Result and ResultInfo. More...

void	swap (Result &lhs, Result &rhs)

template<>
bool	isOk< Result > (const Result &result)
	Specialization of `a_util::result::isOk<typename ResultType>()` for correct lookup. More...

std::string	toString (const Result &result, ResultFormatFlags formatting_flags=DisableNone, const char *format=nullptr)
	Copy all information of an assigned result object to a (formatted) string. More...

Detailed Description

Serves as component for functionality handling error and return types.

Enumeration Type Documentation

◆ ResultFormatFlags

enum ResultFormatFlags

Define flags.

Enumerator
DisableNone	Disable nothing, stringify everything.
DisableCode	Do not use the string representation of the error code.
DisableName	Do not use the string representation of the error string.
DisableMessage	Do not use the string representation of the error message.
DisableFile	Do not use the string representation of the file name.
DisableLine	Do not use the string representation of the line.
DisableFunction	Do not use the string representation of the function.

Definition at line 28 of file workspace/conan/dev_essential/1.3.3/dw/stable/package/37682420cd166e229516a41c8d6a139a0b13e1e1/include/a_util/result/result_util.h.

Function Documentation

◆ isFailed()

bool isFailed ( const ResultType & result )

inline

Check whether a return value indicates an unsuccessful function execution.

Template Parameters

ResultType Type of the result value

Parameters

[in] result Value of the result type @dev_essential_deprecated Usage of this function template is not type safe..

Returns: true if result indicates failure, false otherwise.

Definition at line 30 of file result_info_impl.h.

References isOk().

◆ isOk()

bool isOk ( const ResultType & result )

inline

Check whether a return value indicates a successful function execution.

Template Parameters

ResultType Type of the result value

Parameters

[in] result Value of the result type @dev_essential_deprecated Usage of this function template is not type safe.

Returns: true if result indicates success, false otherwise.

Definition at line 24 of file result_info_impl.h.

Referenced by isFailed().

◆ isOk< Result >()

bool isOk< Result > ( const Result & result )

inline

Specialization of a_util::result::isOk<typename ResultType>() for correct lookup.

Parameters

[in] result Result instance to check for error @dev_essential_deprecated Please use Result::operator bool().

Returns: If error code equals 0, true, otherwise false

Definition at line 267 of file result_type_impl.h.

References Result::getErrorCode().

◆ operator!=() [1/4]

bool operator!=	(	const Result &	lhs,
		const Result &	rhs
	)

inline

Negated comparison operator (shallow comparison)

Parameters

[in,out]	lhs	Left hand side result object.
[in,out]	rhs	Right hand side result object.

Returns: true if both result objects do not match, false otherwise.

Definition at line 230 of file result_type_impl.h.

◆ operator!=() [2/4]

bool operator!=	(	const Result &	result,
		const ResultInfo< T > &	error_code
	)

inline

Comparison operator (inequality) for objects of type Result and ResultInfo.

Template Parameters

T	Error code type handled by ResultInfo<>

Parameters

[in]	result	Left hand side result object
[in]	error_code	Right hand side error object

Returns: true if both objects contain different error codes, false otherwise

Definition at line 242 of file result_type_impl.h.

◆ operator!=() [3/4]

bool operator!=	(	const ResultInfo< ResultTypeLHS > &	lhs,
		const ResultInfo< ResultTypeRHS > &	rhs
	)

inline

Compare two specialized result information objects for inequality.

Template Parameters

ResultTypeLHS	Left hand side result type
ResultTypeRHS	Right hand side result type

Parameters

[in]	lhs	Left hand side result information
[in]	rhs	Right hand side result information

Returns: false if rhs and lhs are equal, true otherwise.

Definition at line 66 of file result_info_impl.h.

References operator==().

◆ operator!=() [4/4]

bool operator!=	(	const ResultInfo< T > &	error_code,
		const Result &	result
	)

inline

Comparison operator (inequality) for objects of type Result and ResultInfo.

Template Parameters

T	Error code type handled by ResultInfo<>

Parameters

[in]	error_code	Left hand side error object
[in]	result	Right hand side result object

Returns: true if both objects contain different error codes, false otherwise

Definition at line 254 of file result_type_impl.h.

◆ operator<()

bool operator<	(	const ResultInfo< ResultTypeLHS > &	lhs,
		const ResultInfo< ResultTypeRHS > &	rhs
	)

inline

Less-than operator for two specialized result information objects.

Template Parameters

ResultTypeLHS	Left hand side result type
ResultTypeRHS	Right hand side result type

Parameters

[in]	lhs	Left hand side result information
[in]	rhs	Right hand side result information

Returns: true if lhs is less than rhs, false otherwise.

Definition at line 72 of file result_info_impl.h.

References ResultInfo< T >::getCode().

Referenced by operator>(), and operator>=().

◆ operator<=()

bool operator<=	(	const ResultInfo< ResultTypeLHS > &	lhs,
		const ResultInfo< ResultTypeRHS > &	rhs
	)

inline

Less-than-or-equal operator for two specialized result information objects.

Template Parameters

ResultTypeLHS	Left hand side result type
ResultTypeRHS	Right hand side result type

Parameters

[in]	lhs	Left hand side result information
[in]	rhs	Right hand side result information

Returns: true if lhs is less than or equal rhs, false otherwise.

Definition at line 84 of file result_info_impl.h.

References operator>().

◆ operator==() [1/4]

bool a_util::result::operator==	(	const Result &	lhs,
		const Result &	rhs
	)

inline

Parameters

[in,out]	lhs	Left hand side result object.
[in,out]	rhs	Right hand side result object.

Returns: true if both result objects match, false otherwise.

Definition at line 225 of file result_type_impl.h.

◆ operator==() [2/4]

bool operator==	(	const Result &	result,
		const ResultInfo< T > &	error_code
	)

inline

Comparison operator (equality) for objects of type Result and ResultInfo.

Template Parameters

T	Error code type handled by ResultInfo<>

Parameters

[in]	result	Left hand side result object
[in]	error_code	Right hand side error object

Returns: true if both objects contain the same error code, false otherwise

Definition at line 236 of file result_type_impl.h.

References ResultInfo< T >::getCode(), and Result::getErrorCode().

◆ operator==() [3/4]

bool operator==	(	const ResultInfo< ResultTypeLHS > &	lhs,
		const ResultInfo< ResultTypeRHS > &	rhs
	)

inline

Compare two specialized result information objects for equality.

Template Parameters

ResultTypeLHS	Left hand side result type
ResultTypeRHS	Right hand side result type

Parameters

[in]	lhs	Left hand side result information
[in]	rhs	Right hand side result information

Returns: true if rhs and lhs are equal, false otherwise.

Definition at line 58 of file result_info_impl.h.

References ResultInfo< T >::getCode(), ResultInfo< T >::getLabel(), and a_util::maybe_unused().

Referenced by operator!=().

◆ operator==() [4/4]

bool operator==	(	const ResultInfo< T > &	error_code,
		const Result &	result
	)

inline

Comparison operator (equality) for objects of type Result and ResultInfo.

Template Parameters

T	Error code type handled by ResultInfo<>

Parameters

[in]	error_code	Left hand side error object
[in]	result	Right hand side result object

Returns: true if both objects contain the same error code, false otherwise

Definition at line 248 of file result_type_impl.h.

◆ operator>()

bool operator>	(	const ResultInfo< ResultTypeLHS > &	lhs,
		const ResultInfo< ResultTypeRHS > &	rhs
	)

inline

Greater-than operator for two specialized result information objects.

Template Parameters

ResultTypeLHS	Left hand side result type
ResultTypeRHS	Right hand side result type

Parameters

[in]	lhs	Left hand side result information
[in]	rhs	Right hand side result information

Returns: false if lhs is less than or equal rhs, true otherwise.

Definition at line 78 of file result_info_impl.h.

References operator<().

Referenced by operator<=().

◆ operator>=()

bool operator>=	(	const ResultInfo< ResultTypeLHS > &	lhs,
		const ResultInfo< ResultTypeRHS > &	rhs
	)

inline

Greater-than-or-equal operator for two specialized result information objects.

Template Parameters

ResultTypeLHS	Left hand side result type
ResultTypeRHS	Right hand side result type

Parameters

[in]	lhs	Left hand side result information
[in]	rhs	Right hand side result information

Returns: false if lhs is less than rhs, true otherwise.

Definition at line 90 of file result_info_impl.h.

References operator<().

◆ swap()

void a_util::result::swap	(	Result &	lhs,
		Result &	rhs
	)

inline

Parameters

[in,out]	lhs	Left hand side result object.
[in,out]	rhs	Right hand side result object.

Definition at line 259 of file result_type_impl.h.

◆ toString()

std::string a_util::result::toString	(	const Result &	result,
		ResultFormatFlags	formatting_flags = `DisableNone`,
		const char *	format = `nullptr`
	)

Copy all information of an assigned result object to a (formatted) string.

Parameters

[in]	result	The result instance getting stringified
[in]	formatting_flags	Flags to disable stringification of specific information offered by `Result`
[in]	format	Optional format specifier - if left empty, the default format is used. Currently not implemented.

Returns: String representation of all needed information from the result object

Namespaces

Classes

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ ResultFormatFlags

Function Documentation

◆ isFailed()

◆ isOk()

◆ isOk< Result >()

◆ operator!=() [1/4]

◆ operator!=() [2/4]

◆ operator!=() [3/4]

◆ operator!=() [4/4]

◆ operator<()

◆ operator<=()

◆ operator==() [1/4]

◆ operator==() [2/4]

◆ operator==() [3/4]

◆ operator==() [4/4]

◆ operator>()

◆ operator>=()

◆ swap()

◆ toString()