Enum syn::ReturnType [−][src]
Return type of a function signature.
This type is available 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.
Methods
impl ReturnType
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impl ReturnType
pub fn without_plus(i: Cursor) -> PResult<Self>
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pub fn without_plus(i: Cursor) -> PResult<Self>
Trait Implementations
impl Synom for ReturnType
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impl Synom for ReturnType
fn parse(i: Cursor) -> PResult<Self>
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fn parse(i: Cursor) -> PResult<Self>
fn description() -> Option<&'static str>
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fn description() -> Option<&'static str>
A short name of the type being parsed. Read more
impl ToTokens for ReturnType
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impl ToTokens for ReturnType
fn to_tokens(&self, tokens: &mut TokenStream)
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fn to_tokens(&self, tokens: &mut TokenStream)
Write self
to the given TokenStream
. Read more
fn into_token_stream(self) -> TokenStream
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fn into_token_stream(self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
impl Debug for ReturnType
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impl Debug for ReturnType
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl Eq for ReturnType
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impl Eq for ReturnType
impl PartialEq for ReturnType
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impl PartialEq for ReturnType
fn eq(&self, other: &ReturnType) -> bool
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fn eq(&self, other: &ReturnType) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &ReturnType) -> bool
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fn ne(&self, other: &ReturnType) -> bool
This method tests for !=
.
impl Hash for ReturnType
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impl Hash for ReturnType
fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash<__H: Hasher>(&self, state: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0
[src]Feeds a slice of this type into the given [Hasher
]. Read more
impl Clone for ReturnType
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impl Clone for ReturnType
fn clone(&self) -> ReturnType
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fn clone(&self) -> ReturnType
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0
[src]Performs copy-assignment from source
. Read more
Auto Trait Implementations
impl !Send for ReturnType
impl !Send for ReturnType
impl !Sync for ReturnType
impl !Sync for ReturnType