Struct FromFieldImpl

pub struct FromFieldImpl<'a> {
    pub ident: Option<&'a Ident>,
    pub vis: Option<&'a Ident>,
    pub ty: Option<&'a Ident>,
    pub base: TraitImpl<'a>,
    pub attr_names: &'a PathList,
    pub forward_attrs: ForwardAttrs<'a>,
    pub from_ident: bool,
}

impl FromField generator. This is used for parsing an individual field and its attributes.

Fields

ident: Option<&'a Ident>

vis: Option<&'a Ident>

ty: Option<&'a Ident>

base: TraitImpl<'a>

attr_names: &'a PathList

forward_attrs: ForwardAttrs<'a>

from_ident: bool

Trait Implementations

impl<'a> ExtractAttribute for FromFieldImpl<'a>

fn attr_names(&self) -> &PathList

Gets the list of attribute names that should be parsed by the extractor.

fn forward_attrs(&self) -> &ForwardAttrs<'_>

fn param_name(&self) -> TokenStream

Gets the name used by the generated impl to return to the syn item passed as input.

fn core_loop(&self) -> TokenStream

Gets the core from-meta-item loop that should be used on matching attributes.

fn local_declarations(&self) -> TokenStream

A set of mutable declarations for all members of the implementing type.

fn attrs_accessor(&self) -> TokenStream

Get the tokens to access a borrowed list of attributes where extraction will take place.

fn extractor(&self) -> TokenStream

Generates the main extraction loop.

impl<'a> From<&'a FromFieldOptions> for FromFieldImpl<'a>

fn from(v: &'a FromFieldOptions) -> Self

Converts to this type from the input type.

impl<'a> OuterFromImpl<'a> for FromFieldImpl<'a>

fn trait_path(&self) -> Path

Gets the path of the trait being implemented.

fn trait_bound(&self) -> Path

fn base(&'a self) -> &'a TraitImpl<'a>

fn wrap<T: ToTokens>(&'a self, body: T, tokens: &mut TokenStream)

impl<'a> ToTokens for FromFieldImpl<'a>

fn to_tokens(&self, tokens: &mut TokenStream)

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream

where Self: Sized,

Convert self directly into a TokenStream object.