CaseFoldError in regex_syntax::hir - Rust (original) (raw)
Struct CaseFoldError
pub struct CaseFoldError(/* private fields */);Expand description
An error that occurs when Unicode-aware simple case folding fails.
This error can occur when the case mapping tables necessary for Unicode aware case folding are unavailable. This only occurs when theunicode-case feature is disabled. (The feature is enabled by default.)
Available on crate feature std only.
Returns the lower-level source of this error, if any. Read more
👎Deprecated since 1.42.0: use the Display impl or to_string()
👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more