Struct MacroBacktrace

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

Fields

call_site: Span

span where macro was applied to generate this code

macro_decl_name: String

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

def_site_span: Option<Span>

span where macro was defined (if known)