Enum syn::ReturnType
source · Available on crate features
full
or derive
only.Expand description
Return type of a function signature.
This type is available only if Syn is built with the "derive"
or "full"
feature.
Variants§
Default
Return type is not specified.
Functions default to ()
and closures default to type inference.
Type(RArrow, Box<Type>)
A particular type is returned.
Implementations§
source§impl ReturnType
impl ReturnType
pub fn without_plus(input: ParseStream<'_>) -> Result<Self>
Available on crate feature
parsing
only.Trait Implementations§
source§impl Clone for ReturnType
Available on crate feature clone-impls
only.
impl Clone for ReturnType
Available on crate feature
clone-impls
only.source§impl Debug for ReturnType
Available on crate feature extra-traits
only.
impl Debug for ReturnType
Available on crate feature
extra-traits
only.source§impl Hash for ReturnType
Available on crate feature extra-traits
only.
impl Hash for ReturnType
Available on crate feature
extra-traits
only.source§impl Parse for ReturnType
Available on crate feature parsing
only.
impl Parse for ReturnType
Available on crate feature
parsing
only.fn parse(input: ParseStream<'_>) -> Result<Self>
source§impl PartialEq<ReturnType> for ReturnType
Available on crate feature extra-traits
only.
impl PartialEq<ReturnType> for ReturnType
Available on crate feature
extra-traits
only.source§impl ToTokens for ReturnType
Available on crate feature printing
only.
impl ToTokens for ReturnType
Available on crate feature
printing
only.source§fn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
source§fn to_token_stream(&self) -> TokenStream
fn to_token_stream(&self) -> TokenStream
source§fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
impl Eq for ReturnType
Available on crate feature
extra-traits
only.