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Library-async-logger-info ​

Enqueue an info-level record through the library-facing async logger. This is the convenience wrapper for log(Level::Info, ...) on LibraryAsyncLogger[S].

Interface ​

moonbit
pub async fn[S] LibraryAsyncLogger::info(
  self : LibraryAsyncLogger[S],
  message : String,
  fields~ : Array[@bitlogger.Field] = [],
) -> Unit {

input ​

  • self : LibraryAsyncLogger[S] - Library-facing async logger that should receive the info record.
  • message : String - Info message text.
  • fields : Array[@bitlogger.Field] - Optional structured fields added to the record.

output ​

  • Unit - No return value. The record is handled according to logger state and policy.

Explanation ​

Detailed rules explaining key parameters and behaviors

  • This helper delegates to info(...) on the wrapped async logger, which in turn uses log(Level::Info, ...).
  • The record is still subject to min-level gating, stored shared context fields, patching, filtering, and overflow policy.
  • This helper does not accept a per-call target override. It uses the facade's stored target unless the facade was derived earlier with with_target(...) or child(...).
  • Info is often the default operational logging level for async application events.
  • Use this helper when explicit info intent is clearer than a raw log(...) call.
  • Async state helpers remain on the underlying AsyncLogger[S] and require to_async_logger() first.

How to Use ​

Here are some specific examples provided.

When Need Normal Operational Async Library Events ​

When async package code should report routine progress or lifecycle events:

moonbit
logger.info("worker started")

In this example, the event is expressed at the common operational logging level through the narrower facade.

When Add Structured Operational Metadata ​

When an info event should include stable structured detail:

moonbit
logger.info(
  "job queued",
  fields=[@bitlogger.field("queue", "sync")],
)

In this example, the record remains concise while still carrying useful metadata.

And any shared context fields already stored on the facade are still prepended before these per-call fields.

And the write still uses the facade's stored target because this shortcut does not take a one-off target= override.

Error Case ​

e.g.:

  • If the logger minimum level is above Info, the record is skipped before enqueue.

  • If the logger is closed or overflow policy prevents acceptance, the write may not become a normal queued record.

  • If callers need a per-call target override, they should use log(...) instead of this fixed-level shortcut.

Notes ​

  1. This is often the most common convenience method for normal async library events.

  2. Use log(...) when the call site needs a dynamic level or target override.

  3. Use to_async_logger() first when later code needs queue or failure inspection rather than another write shortcut.

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