Type Alias StringFmt 

pub type StringFmt<F: MessageFormatter> = Fmt<String, F>;

A specialized alias for logging directly into a String.

This is commonly used for unit testing or collecting logs for display in a UI.

Note: Trait bounds on F are not enforced at definition time but are checked during instantiation.

Aliased Type

pub struct StringFmt<F: MessageFormatter> { /* private fields */ }