Struct CfgSelectArm 

pub(crate) struct CfgSelectArm {
    pub(crate) predicate: CfgSelectFormatPredicate,
    pub(crate) arrow: Token,
    pub(crate) expr: Box<Expr>,
    pub(crate) trailing_comma: Option<Span>,
}

Each $predicate => $production arm in cfg_select!.

Fields

predicate: CfgSelectFormatPredicate

The $predicate part.

arrow: Token

Span of =>.

expr: Box<Expr>

The RHS $production expression.

trailing_comma: Option<Span>

cfg_select! arms $productions can be optionally , terminated, like match arms. The , is not needed when $production is itself braced {}.

Trait Implementations

impl Debug for CfgSelectArm

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

Formats the value using the given formatter.

impl PartialEq for &CfgSelectArm

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Spanned for CfgSelectArm

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: 128 bytes