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CompiledPat

yggdrasil::api::mhchem

Struct CompiledPat 

Source 
struct CompiledPat(Option<Regex>);
Expand description

编译产物：把「坏正则降级为不匹配」的语义封装在一处。

调用方不再到处写 re_ref(re!(...))? 或手写 None 回退——直接调 CompiledPat::captures_head / CompiledPat::is_match，编译失败时返回 不匹配（None / false）。对应原始 Regex 方法的子集。

Tuple Fields§

§0: Option<Regex>

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impl CompiledPat

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fn captures_head<'s>(&self, input: &'s str) -> Option<Captures<'s, str>>

锚定头部匹配（坏正则 → None）。匹配失败/编译失败统一为不匹配。

fancy-regex 0.19 的 captures 只借用 input；str 指明 UTF-8 文本输入。

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fn is_match(&self, input: &str) -> bool

是否匹配（坏正则 → false）。

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