Enum MacroArg 

pub(crate) enum MacroArg {
    Expr(Box<Expr>),
    Ty(Box<Ty>),
    Pat(Box<Pat>),
    Item(Box<Item>),
    Keyword(Ident, Span),
}

Variants

Expr(Box<Expr>)

Ty(Box<Ty>)

Pat(Box<Pat>)

Item(Box<Item>)

Keyword(Ident, Span)

Implementations

impl MacroArg

pub(crate) fn is_item(&self) -> bool

Trait Implementations

impl Debug for MacroArg

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> IntoOverflowableItem<'a> for MacroArg

fn into_overflowable_item(&'a self) -> OverflowableItem<'a>

impl Rewrite for MacroArg

fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option<String>

Rewrite self into shape.

fn rewrite_result( &self, context: &RewriteContext<'_>, shape: Shape, ) -> Result<String, RewriteError>

impl Spanned for MacroArg

fn span(&self) -> Span

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes

Size for each variant:

• Expr: 12 bytes
• Ty: 12 bytes
• Pat: 12 bytes
• Item: 12 bytes
• Keyword: 20 bytes