Trait synthez_core::DataExt [−][src]
pub trait DataExt: Sealed {
fn named_fields(self) -> Result<Punctuated<Field, Comma>>;
fn named_fields_ref(&self) -> Result<&Punctuated<Field, Comma>>;
fn unnamed_fields(self) -> Result<Punctuated<Field, Comma>>;
fn unnamed_fields_ref(&self) -> Result<&Punctuated<Field, Comma>>;
}Expand description
Extension of a syn::Data.
Required methods
fn named_fields(self) -> Result<Punctuated<Field, Comma>>
fn named_fields(self) -> Result<Punctuated<Field, Comma>>
Parses syn::Fields::Named from this consumed syn::Data::Struct
and returns owning iterator over them.
Errors
- If this
syn::Datais not asyn::Data::Struct. - If this
syn::Data::Structdoesn’t consist ofsyn::Fields::Named.
fn named_fields_ref(&self) -> Result<&Punctuated<Field, Comma>>
fn named_fields_ref(&self) -> Result<&Punctuated<Field, Comma>>
Parses syn::Fields::Named from this borrowed syn::Data::Struct
and returns referencing iterator over them.
Errors
- If this
syn::Datais not asyn::Data::Struct. - If this
syn::Data::Structdoesn’t consist ofsyn::Fields::Named.
fn unnamed_fields(self) -> Result<Punctuated<Field, Comma>>
fn unnamed_fields(self) -> Result<Punctuated<Field, Comma>>
Parses syn::Fields::Unnamed from this consumed syn::Data::Struct
and returns owning iterator over them.
Errors
- If this
syn::Datais not asyn::Data::Struct. - If this
syn::Data::Structdoesn’t consist ofsyn::Fields::Unnamed.
fn unnamed_fields_ref(&self) -> Result<&Punctuated<Field, Comma>>
fn unnamed_fields_ref(&self) -> Result<&Punctuated<Field, Comma>>
Parses syn::Fields::Unnamed from this borrowed syn::Data::Struct
and returns referencing iterator over them.
Errors
- If this
syn::Datais not asyn::Data::Struct. - If this
syn::Data::Structdoesn’t consist ofsyn::Fields::Unnamed.