Enum rustc_hir::hir::FnRetTy

source ·
pub enum FnRetTy<'hir> {
    DefaultReturn(Span),
    Return(&'hir Ty<'hir>),
}

Variants

DefaultReturn(Span)

Return type is not specified.

Functions default to () and closures default to inference. Span points to where return type would be inserted.

Return(&'hir Ty<'hir>)

Everything else.

Implementations

Trait Implementations

Formats the value using the given formatter. Read more

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: 16 bytes

Size for each variant:

  • DefaultReturn: 8 bytes
  • Return: 12 bytes