Enum rustc_hir::hir::GenericParamKind

pub enum GenericParamKind<'hir> {
    Lifetime {
        kind: LifetimeParamKind,
    },
    Type {
        default: Option<&'hir Ty<'hir>>,
        synthetic: bool,
    },
    Const {
        ty: &'hir Ty<'hir>,
        default: Option<&'hir ConstArg<'hir>>,
        is_host_effect: bool,
        synthetic: bool,
    },
}

Variants

Lifetime

A lifetime definition (e.g., 'a: 'b + 'c + 'd).

Fields

kind: LifetimeParamKind

Type

Fields

default: Option<&'hir Ty<'hir>>

synthetic: bool

Const

Fields

ty: &'hir Ty<'hir>

default: Option<&'hir ConstArg<'hir>>

Optional default value for the const generic param

is_host_effect: bool

synthetic: bool

Trait Implementations

impl<'hir> Clone for GenericParamKind<'hir>

fn clone(&self) -> GenericParamKind<'hir>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'hir> Debug for GenericParamKind<'hir>

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

Formats the value using the given formatter.

impl<'hir, __CTX> HashStable<__CTX> for GenericParamKind<'hir>

where __CTX: HashStableContext,

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

impl<'hir> Copy for GenericParamKind<'hir>

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:

• Lifetime: 1 byte
• Type: 15 bytes
• Const: 23 bytes