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make it compile with 1.56.0

This commit is contained in:
Simon Perriard 2021-11-24 10:07:12 +01:00 committed by Joshua Nelson
parent 80eae9a303
commit f7192cb802
1 changed files with 2 additions and 2 deletions
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4
examples/rustc-driver-interacting-with-the-ast.rs
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@ -64,9 +64,9 @@ fn main() {
// Analyze the crate and inspect the types under the cursor. // Analyze the crate and inspect the types under the cursor.
queries.global_ctxt().unwrap().take().enter(|tcx| { queries.global_ctxt().unwrap().take().enter(|tcx| {
// Every compilation contains a single crate. // Every compilation contains a single crate.
let hir_krate = tcx.hir().krate(); let hir_krate = tcx.hir();
// Iterate over the top-level items in the crate, looking for the main function. // Iterate over the top-level items in the crate, looking for the main function.
for (_, item) in &hir_krate.items { for item in hir_krate.items() {
// Use pattern-matching to find a specific node inside the main function. // Use pattern-matching to find a specific node inside the main function.
if let rustc_hir::ItemKind::Fn(_, _, body_id) = item.kind { if let rustc_hir::ItemKind::Fn(_, _, body_id) = item.kind {
let expr = &tcx.hir().body(body_id).value; let expr = &tcx.hir().body(body_id).value;