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StreamingLanguageDetector

Struct StreamingLanguageDetector 

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pub struct StreamingLanguageDetector { /* private fields */ }
Expand description

Streaming language detector that wraps a [LanguageDetector] backend.

Takes ExpandUnit values one at a time and returns the detected Language for each:

  • Word units trigger detection via a sliding context window with hysteresis — language only switches when confidence exceeds 0.5 + 0.20.
  • Number and Mark units inherit the current language without detection.
  • Sentence boundaries (., ?, !) should be signalled via reset_context to clear the sliding window.

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impl StreamingLanguageDetector

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pub fn with_lingua(languages: &[Language], default_language: Language) -> Self

Build a detector backed by the lingua library.

languages must contain at least two languages; default_language is the starting assumption before any text is seen.

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pub fn push(&mut self, unit: &ExpandUnit) -> Language

Push one expand unit and get back the language for that unit.

Words run through the detection algorithm; numbers and marks inherit the current language without running detection.

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pub fn reset_context(&mut self)

Clear the context window on sentence boundaries (., ?, !).

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