17 lines
471 B
Rust
17 lines
471 B
Rust
use crate::{representation::Representation, Parser, ParserExtension};
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pub fn map<P, F, I, O1, O2, E>(parser: P, map_fn: F) -> impl Parser<I, O2, E>
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where
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P: Parser<I, O1, E>,
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F: Fn(O1) -> O2,
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{
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let production = parser.representation().production();
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(move |input| {
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parser
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.parse(input)
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.map(|(result, rest)| (map_fn(result), rest))
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})
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.to_anno()
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.with_repr(Representation::new().with_production(production))
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}
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