mlScopeGuard.h File Reference

#include "mlTypeDefs.h"
#include <utility>

Go to the source code of this file.

Classes
class	ml::ScopeGuardDetail::ScopeGuard< Functor >

Namespaces
namespace	ml
	Main documentation file for ML users and developers.
namespace	ml::ScopeGuardDetail

Macros
#define	ML_UTILITIES_CONCATENATE_IMPL(s1, s2)   s1##s2
	Helper class for performing actions when the current scope is left.
#define	ML_UTILITIES_CONCATENATE(s1, s2)   ML_UTILITIES_CONCATENATE_IMPL(s1,s2)
#define	ML_UTILITIES_ANONYMOUS_VARIABLE(str)    ML_UTILITIES_CONCATENATE(str,__LINE__)
#define	SCOPE_EXIT
	Use this macro in case of an anonymous scope guard like SCOPE_EXIT { foo.needsToBeDoneOnLeavingTheScope(); };.
#define	EXPLICIT_SCOPE_EXIT    ::ML_NAMESPACE::ScopeGuardDetail::ScopeGuardOnExit() + [&]()
	Use this macro in case you like an explicit ScopeGuard This is handy if there is a case where you want to dismiss the action to be taken on leaving the scope.

Enumerations
enum class	ml::ScopeGuardDetail::ScopeGuardOnExit

Functions
template<class Functor >
ScopeGuard< Functor >	ml::ScopeGuardDetail::operator+ (ScopeGuardOnExit, Functor &&fn)

Macro Definition Documentation

EXPLICIT_SCOPE_EXIT

#define EXPLICIT_SCOPE_EXIT    ::ML_NAMESPACE::ScopeGuardDetail::ScopeGuardOnExit() + [&]()

Use this macro in case you like an explicit ScopeGuard This is handy if there is a case where you want to dismiss the action to be taken on leaving the scope.

auto localGuard = EXPLICIT_SCOPE_EXIT { foo.needsToBeDoneOnLeavingTheScope(); }; ... if (specialCase) { localGuard.dismiss(); }

Note: Don't forget the semicolon after the closing brace!

Definition at line 116 of file mlScopeGuard.h.

ML_UTILITIES_ANONYMOUS_VARIABLE

#define ML_UTILITIES_ANONYMOUS_VARIABLE

(

str

)

ML_UTILITIES_CONCATENATE(str,__LINE__)

Definition at line 33 of file mlScopeGuard.h.

ML_UTILITIES_CONCATENATE

#define ML_UTILITIES_CONCATENATE	(		s1,
			s2 )   ML_UTILITIES_CONCATENATE_IMPL(s1,s2)

Definition at line 25 of file mlScopeGuard.h.

ML_UTILITIES_CONCATENATE_IMPL

#define ML_UTILITIES_CONCATENATE_IMPL	(		s1,
			s2 )   s1##s2

Helper class for performing actions when the current scope is left.

Original implemention by Andrei Alexandrescu

Definition at line 24 of file mlScopeGuard.h.

SCOPE_EXIT

#define SCOPE_EXIT

Value:

  auto ML_UTILITIES_ANONYMOUS_VARIABLE(SCOPE_EXIT_STATE) \
  = ::ML_NAMESPACE::ScopeGuardDetail::ScopeGuardOnExit() + [&]()

Use this macro in case of an anonymous scope guard like SCOPE_EXIT { foo.needsToBeDoneOnLeavingTheScope(); };.

Note: Don't forget the semicolon after the closing brace!

Definition at line 96 of file mlScopeGuard.h.