Enum Arg 

pub enum Arg {
    Flag(Ident),
    Expr(Ident, Expr),
    List(Ident, Args),
    Lit(Lit),
}

Variants

Flag(Ident)

Expr(Ident, Expr)

List(Ident, Args)

Lit(Lit)

Implementations

impl Arg

pub fn name(&self) -> Option<&Ident>

pub fn is_flag(&self) -> bool

pub fn is_expr(&self) -> bool

pub fn is_list(&self) -> bool

pub fn is_lit(&self) -> bool

pub fn as_expr(&self) -> &Expr

pub fn as_args(&self) -> &Args

pub fn as_lit(&self) -> &Lit

pub fn as_flag(&self) -> &Ident

pub fn as_str(&self) -> String

pub fn as_int<T: FromStr>(&self) -> T

where T::Err: Display,

pub fn as_float<T: FromStr>(&self) -> T

where T::Err: Display,

pub fn as_char(&self) -> char

pub fn as_expr_lit(&self) -> Option<&Lit>

pub fn as_bool(&self) -> bool

Trait Implementations

impl Parse for Arg

fn parse(input: ParseStream<'_>) -> Result<Self>

impl ToTokens for Arg

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.