JsonMessageImpl

timber_rust

Struct JsonMessageImpl 

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pub struct JsonMessageImpl { /* private fields */ }
Expand description

A message implementation that stores structured JSON data.

This is used when you want to pass raw data to a logger that supports structured output (like a database or an ELK stack).

§Feature Requirement

Only available when the json feature is enabled.

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impl JsonMessageImpl

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pub fn json(&self) -> &Value

Returns a reference to the underlying JSON value.

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impl MessageImpl for JsonMessageImpl

Available on crate feature json only.
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fn level(&self) -> &dyn Display

Returns the log level (e.g., “INFO”, “DEBUG”) as a displayable object. Using &dyn Display ensures zero-copy for static string levels.
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fn content(&self) -> &dyn Display

Returns the message body content. This allows for deferred formatting of complex types like JSON or Error objects.
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fn instant(&self) -> SystemTime

Returns the exact SystemTime when the message was created. Crucial for maintaining chronological order in asynchronous logging.
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fn as_any(&self) -> &dyn Any

Returns a reference to self as a dyn Any for downcasting purposes. This allows services to recover the original concrete type if specialized processing is needed.

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