Struct syntax_pos::MacroBacktrace

pub struct MacroBacktrace {
    pub call_site: Span,
    pub macro_decl_name: String,
    pub def_site_span: Option<Span>,
}

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Fields

call_site: Span

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

span where macro was applied to generate this code

macro_decl_name: String

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

name of macro that was applied (e.g., "foo!" or "#[derive(Eq)]")

def_site_span: Option<Span>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

span where macro was defined (if known)

Trait Implementations

impl Debug for MacroBacktrace

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.