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Nanaloveyuki
79 lines
2.1 KiB
Markdown
79 lines
2.1 KiB
Markdown
---
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name: stringify-async-logger-config
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group: api
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category: async
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update-time: 20260512
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description: Serialize AsyncLoggerConfig into compact or pretty JSON text for export and diagnostics.
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key-word:
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- async
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- config
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- stringify
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- public
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---
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## Stringify-async-logger-config
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Serialize `AsyncLoggerConfig` into JSON text. This helper is the most direct output path when async runtime policy should be logged, printed, or copied as config text.
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### Interface
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```moonbit
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pub fn stringify_async_logger_config(config : AsyncLoggerConfig, pretty~ : Bool = false) -> String {}
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```
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#### input
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- `config : AsyncLoggerConfig` - Async config to serialize.
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- `pretty : Bool` - Whether JSON should be pretty-printed.
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#### output
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- `String` - Serialized JSON text for the async config.
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### Explanation
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Detailed rules explaining key parameters and behaviors
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- `pretty=false` returns compact JSON suitable for transport and snapshots.
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- `pretty=true` returns indented JSON for humans.
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- This helper is built on top of `async_logger_config_to_json(...)`.
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- The exported text follows the supported async config schema rather than internal queue implementation details.
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### How to Use
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Here are some specific examples provided.
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#### When Need Human-readable Async Config
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When async policy should be printed during startup or testing:
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```moonbit
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println(stringify_async_logger_config(AsyncLoggerConfig::new(max_pending=32), pretty=true))
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```
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In this example, the config is emitted in readable JSON.
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#### When Need Compact Generated Config Text
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When async settings should stay small:
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```moonbit
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let text = stringify_async_logger_config(
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AsyncLoggerConfig::new(flush=AsyncFlushPolicy::Shutdown),
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)
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```
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In this example, compact JSON is returned without extra formatting.
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### Error Case
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e.g.:
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- If callers need a `JsonValue` for composition, they should use `async_logger_config_to_json(...)` instead.
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- If invalid constructor inputs were normalized earlier, the resulting text contains the normalized config values.
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### Notes
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1. This API is convenient for config snapshots, examples, and tests.
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2. Use `pretty=true` when readability matters.
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