Enum syn::FunctionRetTy

pub enum FunctionRetTy {
    Default,
    Ty(Ty),
}

Variants

Default

Return type is not specified.

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

Ty(Ty)

Everything else

Trait Implementations

impl Clone for FunctionRetTy

fn clone(&self) -> FunctionRetTy

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for FunctionRetTy

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

Formats the value using the given formatter.

impl Eq for FunctionRetTy

impl Hash for FunctionRetTy

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<FunctionRetTy> for FunctionRetTy

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl StructuralEq for FunctionRetTy

impl StructuralPartialEq for FunctionRetTy