Struct tantivy::tokenizer::AlphaNumOnlyFilter
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pub struct AlphaNumOnlyFilter;
TokenFilter
that removes all tokens that contain non
ascii alphanumeric characters.
Trait Implementations
impl Clone for AlphaNumOnlyFilter
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fn clone(&self) -> AlphaNumOnlyFilter
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<TailTokenStream> TokenFilter<TailTokenStream> for AlphaNumOnlyFilter where
TailTokenStream: TokenStream,
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TailTokenStream: TokenStream,
type ResultTokenStream = AlphaNumOnlyFilterStream<TailTokenStream>
The resulting TokenStream
type.
fn transform(&self, token_stream: TailTokenStream) -> Self::ResultTokenStream
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Wraps a token stream and returns the modified one.