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Methods

proc_macro::bridge

Struct Methods 

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pub(crate) struct Methods;
🔬This is a nightly-only experimental API. (proc_macro_internals)

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impl Methods

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pub(crate) fn injected_env_var(var: &str) -> Option<String>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn track_env_var(var: &str, value: Option<&str>)

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn track_path(path: &str)

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn literal_from_str(s: &str) -> Result<Literal<Span, Symbol>, String>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn emit_diagnostic(diagnostic: Diagnostic<Span>)

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_drop(stream: TokenStream)

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_clone(stream: &TokenStream) -> TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_is_empty(stream: &TokenStream) -> bool

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_expand_expr(stream: &TokenStream) -> Result<TokenStream, ()>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_from_str(src: &str) -> Result<TokenStream, String>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_to_string(stream: &TokenStream) -> String

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_from_token_tree( tree: TokenTree<TokenStream, Span, Symbol>, ) -> TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_concat_trees( base: Option<TokenStream>, trees: Vec<TokenTree<TokenStream, Span, Symbol>>, ) -> TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_concat_streams( base: Option<TokenStream>, streams: Vec<TokenStream>, ) -> TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn ts_into_trees( stream: TokenStream, ) -> Vec<TokenTree<TokenStream, Span, Symbol>>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_debug(span: Span) -> String

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_parent(span: Span) -> Option<Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_source(span: Span) -> Span

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_byte_range(span: Span) -> Range<usize> ⓘ

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_start(span: Span) -> Span

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_end(span: Span) -> Span

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_line(span: Span) -> usize

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_column(span: Span) -> usize

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_file(span: Span) -> String

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_local_file(span: Span) -> Option<String>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_join(span: Span, other: Span) -> Option<Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_subspan( span: Span, start: Bound<usize>, end: Bound<usize>, ) -> Option<Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_resolved_at(span: Span, at: Span) -> Span

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_source_text(span: Span) -> Option<String>

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_save_span(span: Span) -> usize

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn span_recover_proc_macro_span(id: usize) -> Span

🔬This is a nightly-only experimental API. (proc_macro_internals)
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pub(crate) fn symbol_normalize_and_validate_ident( string: &str, ) -> Result<Symbol, ()>

🔬This is a nightly-only experimental API. (proc_macro_internals)

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> SizeHint for T
where T: ?Sized,

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default fn lower_bound(&self) -> usize

🔬This is a nightly-only experimental API. (core_io_internals)
Returns a lower bound on the number of elements this container-like item contains. For example, an array [u8; 12] could return any value between 0 and 12 inclusively as a correct implementation. Read more
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default fn upper_bound(&self) -> Option<usize>

🔬This is a nightly-only experimental API. (core_io_internals)
Returns an upper bound on the number of elements this container-like item contains if it can be determined, otherwise None. Read more
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final fn size_hint(&self) -> (usize, Option<usize>)

🔬This is a nightly-only experimental API. (core_io_internals)
Returns an estimate for the number of elements this container like type contains. Read more
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impl<T> SizedTypeProperties for T

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#[doc(hidden)]
const SIZE: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const ALIGN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const ALIGNMENT: Alignment = _

🔬This is a nightly-only experimental API. (ptr_alignment_type #102070)
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#[doc(hidden)]
const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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#[doc(hidden)]
const LAYOUT: Layout = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const MAX_SLICE_LEN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
The largest safe length for a [Self]. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.