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Nanaloveyuki
75 lines
2.1 KiB
Markdown
75 lines
2.1 KiB
Markdown
---
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name: configured-logger-close
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group: api
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category: runtime
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update-time: 20260613
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description: Close the configured runtime logger sink and return whether the wrapped RuntimeSink reported a successful close action.
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key-word:
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- logger
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- runtime
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- lifecycle
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- public
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---
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## Configured-logger-close
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Close the sink behind a `ConfiguredLogger`. This helper is the configured logger wrapper over `RuntimeSink::close(...)` for config-driven runtime teardown.
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### Interface
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```moonbit
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pub fn ConfiguredLogger::close(self : ConfiguredLogger) -> Bool {}
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```
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#### input
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- `self : ConfiguredLogger` - Config-driven runtime logger whose sink should be closed.
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#### output
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- `Bool` - Whether the wrapped `RuntimeSink::close(...)` call reported a successful close action.
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### Explanation
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Detailed rules explaining key parameters and behaviors
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- This helper delegates directly to `self.sink.close()`.
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- Plain file sinks forward to `FileSink::close()` through `RuntimeSink`.
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- Queue-backed file sinks close the wrapped file sink instead of only the queue wrapper.
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- Console-style sinks and queue-wrapped console-style sinks return `true` as a no-op success because they do not expose a meaningful close step here.
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### How to Use
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Here are some specific examples provided.
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#### When Need Config-driven Runtime Teardown
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When a config-built logger should release its sink resources:
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```moonbit
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ignore(logger.close())
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```
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In this example, sink teardown happens through the configured logger facade.
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#### When Need To Observe Close Outcome
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When application code wants a success flag from runtime close behavior:
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```moonbit
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let closed = logger.close()
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```
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In this example, callers can branch on the reported close result.
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### Error Case
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e.g.:
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- If the configured runtime sink shape has no real close action, the helper may still return `true` as a no-op success.
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- If callers need a file-specific close path with queue flush nuances, `file_close()` may be the better API.
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### Notes
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1. This is the generic configured runtime close helper.
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2. Prefer file-specific helpers when the configured sink shape is known to be file-backed.
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