Struct StandardMessageFormatter 

pub struct StandardMessageFormatter {}

The default formatter for CloudWatch messages.

This formatter serializes messages into a JSON string. This is considered a best practice for CloudWatch, as it enables advanced querying and filtering using CloudWatch Logs Insights.

Output Example

{
  "level": "INFO",
  "msg": "Application started"
}

Implementations

impl StandardMessageFormatter

pub fn new() -> Self

Creates a new instance of the default formatter.

Trait Implementations

impl Default for StandardMessageFormatter

fn default() -> Self

Returns the “default value” for a type.

impl MessageFormatter for StandardMessageFormatter

fn format(&self, message: &Message) -> String

Converts the message into a JSON string containing the log level and content.

The resulting string is what will be displayed in the “Message” column of the CloudWatch Logs console.