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> Unreal Engine API Reference > Runtime > Core > Misc > FDebug > FDebug::OptionallyLogFormattedEnsureMessageReturningFalse

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FDebug::OptionallyLogFormattedEnsureMessageReturningFalse

Logs an error if bLog is true, and returns false.

Windows

MacOS

Linux

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Misc/AssertionMacros.h
Include	#include "Misc/AssertionMacros.h"

Syntax

template<typename FmtType, typename... Types>
static TEnableIf< TIsArrayOrRefOfType< FmtType, TCHAR >::Value, bool >::Type OptionallyLogFormattedEnsureMessageReturningFalse
(
    bool bLog,
    const ANSICHAR * Expr,
    const ANSICHAR * File,
    int32 Line,
    const FmtType & FormattedMsg,
    Types... Args
)

Remarks

Logs an error if bLog is true, and returns false. Takes a formatted string.

this crazy name is to ensure that the crash reporter recognizes it, which checks for functions in the callstack starting with 'EnsureNotFalse'.Failed assertion handler. Warning: May be called at library startup time.

Returns

false in all cases.

Parameters

Parameter	Description
bLog	Log if true.
Expr	Code expression ANSI string (#code)
File	File name ANSI string (FILE)
Line	Line number (LINE)
FormattedMsg	Informative error message text with variable args

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