Struct proc_macro2::Span

pub struct Span { /* fields omitted */ }

[−] Expand description

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

Methods

impl Span[−]

pub fn call_site() -> Span[−]

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 Copy for Span

impl Clone for Span[+]

fn clone(&self) -> Span[−]

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Debug for Span

Prints a span in a form convenient for debugging.

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

Formats the value using the given formatter.