63 pub type HeaderResult<T, E = HeaderError> = Result<T, E>;
70 pub struct HeaderError {  struct
74 impl HeaderError {  implementation
76     pub fn trap(err: impl Into<wasmtime::Error>) -> HeaderError {  in trap()  argument
77         HeaderError { err: err.into() }  in trap()
81     pub fn downcast(self) -> wasmtime::Result<types::HeaderError> {  in downcast()  argument
86     pub fn downcast_ref(&self) -> Option<&types::HeaderError> {  in downcast_ref()  argument
91 impl From<types::HeaderError> for HeaderError {  implementation
92     fn from(error: types::HeaderError) -> Self {  in from()
97 impl From<ResourceTableError> for HeaderError {  implementation
99         HeaderError::trap(error)  in from()
103 impl From<http::header::InvalidHeaderName> for HeaderError {  implementation
105         HeaderError::from(types::HeaderError::InvalidSyntax)  in from()
109 impl From<http::header::InvalidHeaderValue> for HeaderError {  implementation
111         HeaderError::from(types::HeaderError::InvalidSyntax)  in from()
115 impl From<FieldMapError> for HeaderError {  implementation
118             FieldMapError::Immutable => types::HeaderError::Immutable.into(),  in from()
119             FieldMapError::InvalidHeaderName => types::HeaderError::InvalidSyntax.into(),  in from()
120             FieldMapError::TooManyFields | FieldMapError::TotalSizeTooBig => HeaderError::trap(err),  in from()
125 impl fmt::Debug for HeaderError {  implementation
131 impl fmt::Display for HeaderError {  implementation