Enum syn::Item [−][src]
Things that can appear directly inside of a module or scope.
This type is available only if Syn is built with the "full"
feature.
Syntax tree enum
This type is a syntax tree enum.
Variants
Const(ItemConst)
A constant item: const MAX: u16 = 65535
.
Enum(ItemEnum)
An enum definition: enum Foo<A, B> { A(A), B(B) }
.
ExternCrate(ItemExternCrate)
An extern crate
item: extern crate serde
.
Fn(ItemFn)
A free-standing function: fn process(n: usize) -> Result<()> { ... }
.
ForeignMod(ItemForeignMod)
A block of foreign items: extern "C" { ... }
.
Impl(ItemImpl)
An impl block providing trait or associated items: impl<A> Trait for Data<A> { ... }
.
Macro(ItemMacro)
A macro invocation, which includes macro_rules!
definitions.
Macro2(ItemMacro2)
A 2.0-style declarative macro introduced by the macro
keyword.
Mod(ItemMod)
A module or module declaration: mod m
or mod m { ... }
.
Static(ItemStatic)
A static item: static BIKE: Shed = Shed(42)
.
Struct(ItemStruct)
A struct definition: struct Foo<A> { x: A }
.
Trait(ItemTrait)
A trait definition: pub trait Iterator { ... }
.
TraitAlias(ItemTraitAlias)
A trait alias: pub trait SharableIterator = Iterator + Sync
.
Type(ItemType)
A type alias: type Result<T> = std::result::Result<T, MyError>
.
Union(ItemUnion)
A union definition: union Foo<A, B> { x: A, y: B }
.
Use(ItemUse)
A use declaration: use std::collections::HashMap
.
Verbatim(TokenStream)
Tokens forming an item not interpreted by Syn.
Trait Implementations
impl Clone for Item
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fn clone(&self) -> Self
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for Item
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impl Eq for Item
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impl From<DeriveInput> for Item
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fn from(input: DeriveInput) -> Item
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impl From<ItemConst> for Item
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impl From<ItemEnum> for Item
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impl From<ItemExternCrate> for Item
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fn from(e: ItemExternCrate) -> Item
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impl From<ItemFn> for Item
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impl From<ItemForeignMod> for Item
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fn from(e: ItemForeignMod) -> Item
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impl From<ItemImpl> for Item
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impl From<ItemMacro> for Item
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impl From<ItemMacro2> for Item
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fn from(e: ItemMacro2) -> Item
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impl From<ItemMod> for Item
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impl From<ItemStatic> for Item
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fn from(e: ItemStatic) -> Item
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impl From<ItemStruct> for Item
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fn from(e: ItemStruct) -> Item
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impl From<ItemTrait> for Item
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impl From<ItemTraitAlias> for Item
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fn from(e: ItemTraitAlias) -> Item
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impl From<ItemType> for Item
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impl From<ItemUnion> for Item
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impl From<ItemUse> for Item
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impl Hash for Item
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fn hash<H>(&self, state: &mut H) where
H: Hasher,
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H: Hasher,
pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl Parse for Item
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fn parse(input: ParseStream<'_>) -> Result<Self>
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impl PartialEq<Item> for Item
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impl ToTokens for Item
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fn to_tokens(&self, tokens: &mut TokenStream)
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pub fn to_token_stream(&self) -> TokenStream
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pub fn into_token_stream(self) -> TokenStream
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Auto Trait Implementations
impl RefUnwindSafe for Item
impl !Send for Item
impl !Sync for Item
impl Unpin for Item
impl UnwindSafe for Item
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Spanned for T where
T: Spanned + ?Sized,
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T: Spanned + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,