Struct rustc_builtin_macros::deriving::generic::FieldInfo

source · 
pub struct FieldInfo {
    pub span: Span,
    pub name: Option<Ident>,
    pub self_expr: P<Expr>,
    pub other_selflike_exprs: Vec<P<Expr>>,
}
Expand description

Summary of the relevant parts of a struct/enum field.

Fields

span: Spanname: Option<Ident>

None for tuple structs/normal enum variants, Some for normal structs/struct enum variants.

self_expr: P<Expr>

The expression corresponding to this field of self (specifically, a reference to it).

other_selflike_exprs: Vec<P<Expr>>

The expressions corresponding to references to this field in the other selflike arguments.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

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: 56 bytes