Struct proc_macro2::Span

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pub struct Span { /* fields omitted */ }

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A region of source code, along with macro expansion information.

Methods

impl Span

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pub fn call_site() -> Span

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The span of the invocation of the current procedural macro.

Identifiers created with this span will be resolved as if they were written directly at the macro call location (call-site hygiene) and other code at the macro call site will be able to refer to them as well.

Trait Implementations

impl From<Span> for Span

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fn from(proc_span: Span) -> Span

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Performs the conversion.

impl Copy for Span

impl Clone for Span

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fn clone(&self) -> Span

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Returns a copy of the value.

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

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Performs copy-assignment from source.

impl Debug for Span

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Prints a span in a form convenient for debugging.

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

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Formats the value using the given formatter.