MetaVarKind in rustc_ast::token - Rust (original) (raw)

pub enum MetaVarKind {
Show 13 variants    Item,
    Block,
    Stmt,
    Pat(NtPatKind),
    Expr {
        kind: NtExprKind,
        can_begin_literal_maybe_minus: bool,
        can_begin_string_literal: bool,
    },
    Ty {
        is_path: bool,
    },
    Ident,
    Lifetime,
    Literal,
    Meta {
        has_meta_form: bool,
    },
    Path,
    Vis,
    TT,
}

Expand description

Annoyingly similar to NonterminalKind, but the slight differences are important.

Fields

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: 3 bytes

Size for each variant:

Item: 0 bytes
Block: 0 bytes
Stmt: 0 bytes
Pat: 2 bytes
Expr: 3 bytes
Ty: 2 bytes
Ident: 0 bytes
Lifetime: 0 bytes
Literal: 0 bytes
Meta: 2 bytes
Path: 0 bytes
Vis: 0 bytes
TT: 0 bytes