25 lines
581 B
Rust
25 lines
581 B
Rust
use std::collections::HashMap;
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type IdCounter = u16;
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pub(crate) struct Registry<'parse> {
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id_counter: IdCounter,
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targets: HashMap<&'parse str, String>,
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}
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impl<'parse> Registry<'parse> {
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pub(crate) fn new() -> Registry<'parse> {
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Registry {
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id_counter: 0,
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targets: HashMap::new(),
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}
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}
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pub(crate) fn get_target<'b>(&'b mut self, body: &'parse str) -> &'b String {
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self.targets.entry(body).or_insert_with(|| {
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self.id_counter += 1;
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format!("target_{}", self.id_counter)
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})
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}
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}
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