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rust-clippy/tests/ui-internal/outer_expn_data.rs

28 lines
548 B
Rust

// run-rustfix
#![deny(clippy::internal)]
#![feature(rustc_private)]
extern crate rustc_hir;
extern crate rustc_lint;
extern crate rustc_middle;
#[macro_use]
extern crate rustc_session;
use rustc_hir::Expr;
use rustc_lint::{LateContext, LateLintPass};
declare_lint! {
pub TEST_LINT,
Warn,
""
}
declare_lint_pass!(Pass => [TEST_LINT]);
impl<'tcx> LateLintPass<'tcx> for Pass {
fn check_expr(&mut self, _cx: &LateContext<'tcx>, expr: &'tcx Expr) {
let _ = expr.span.ctxt().outer_expn().expn_data();
}
}
fn main() {}