Trait DataExt

pub trait DataExt: Sealed {
    // Required methods
    fn named_fields(self) -> Result<Punctuated<Field, Comma>, Error>;
    fn named_fields_ref(&self) -> Result<&Punctuated<Field, Comma>, Error>;
    fn unnamed_fields(self) -> Result<Punctuated<Field, Comma>, Error>;
    fn unnamed_fields_ref(&self) -> Result<&Punctuated<Field, Comma>, Error>;
}

Extension of a syn::Data.

Required Methods

fn named_fields(self) -> Result<Punctuated<Field, Comma>, Error>

Parses syn::Fields::Named from this consumed syn::Data::Struct and returns owning iterator over them.

Errors

• If this syn::Data is not a syn::Data::Struct.
• If this syn::Data::Struct doesn’t consist of syn::Fields::Named.

fn named_fields_ref(&self) -> Result<&Punctuated<Field, Comma>, Error>

Parses syn::Fields::Named from this borrowed syn::Data::Struct and returns referencing iterator over them.

Errors

• If this syn::Data is not a syn::Data::Struct.
• If this syn::Data::Struct doesn’t consist of syn::Fields::Named.

fn unnamed_fields(self) -> Result<Punctuated<Field, Comma>, Error>

Parses syn::Fields::Unnamed from this consumed syn::Data::Struct and returns owning iterator over them.

Errors

• If this syn::Data is not a syn::Data::Struct.
• If this syn::Data::Struct doesn’t consist of syn::Fields::Unnamed.

fn unnamed_fields_ref(&self) -> Result<&Punctuated<Field, Comma>, Error>

Parses syn::Fields::Unnamed from this borrowed syn::Data::Struct and returns referencing iterator over them.

Errors

• If this syn::Data is not a syn::Data::Struct.
• If this syn::Data::Struct doesn’t consist of syn::Fields::Unnamed.

Implementations on Foreign Types

impl Data for Data

fn named_fields(self) -> Result<Punctuated<Field, Comma>, Error>

fn named_fields_ref(&self) -> Result<&Punctuated<Field, Comma>, Error>

fn unnamed_fields(self) -> Result<Punctuated<Field, Comma>, Error>

fn unnamed_fields_ref(&self) -> Result<&Punctuated<Field, Comma>, Error>

Implementors