[#FB_LOG_RAW_IMPL]
= FB_LOG_RAW_IMPL
:mrdocs:

Helper macro for implementing FB_LOG_RAW() and FB_LOGF_RAW().

== Synopsis

Declared in `<folly/logging/Logger.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define FB_LOG_RAW_IMPL(logger, level, filename, line, functionName, type, ...)

----

== Description

This macro generally should not be used directly by end users.

This is very similar to FB_LOG_IMPL(), but since the level may be a variable instead of a compile‐time constant, we cannot detect at compile time if this is a fatal log message or not.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *logger*
| The logger identifying the log category.
| *level*
| A qualified `folly::LogLevel` value or variable.
| *filename*
| The source filename to record.
| *line*
| The source line number to record.
| *functionName*
| The function name to record.
| *type*
| The `LogStreamProcessor` append or format mode.
|===


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