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authorYuki Okushi <jtitor@2k36.org>2022-05-02 08:19:20 +0900
committerTshepang Mbambo <tshepang@gmail.com>2022-05-30 13:57:16 +0200
commit93771d84e0f5113a3ff8418541e34eca05858a8f (patch)
tree9de8a0874d02563a05b863998dc0df3e9ff1a859 /src/doc/rustc-dev-guide/examples
parent637f3f2af8524b91f7c159c455166496c51d1515 (diff)
Update rustc-driver related examples
Diffstat (limited to 'src/doc/rustc-dev-guide/examples')
-rw-r--r--src/doc/rustc-dev-guide/examples/rustc-driver-example.rs7
-rw-r--r--src/doc/rustc-dev-guide/examples/rustc-driver-getting-diagnostics.rs4
-rw-r--r--src/doc/rustc-dev-guide/examples/rustc-driver-interacting-with-the-ast.rs9
3 files changed, 11 insertions, 9 deletions
diff --git a/src/doc/rustc-dev-guide/examples/rustc-driver-example.rs b/src/doc/rustc-dev-guide/examples/rustc-driver-example.rs
index 7177a286892..8a5d880fab2 100644
--- a/src/doc/rustc-dev-guide/examples/rustc-driver-example.rs
+++ b/src/doc/rustc-dev-guide/examples/rustc-driver-example.rs
@@ -1,9 +1,9 @@
 #![feature(rustc_private)]
 
 // NOTE: For the example to compile, you will need to first run the following:
-//   rustup component add rustc-dev
+//   rustup component add rustc-dev llvm-tools-preview
 
-// version: 1.61.0-nightly (68369a041 2022-02-22)
+// version: 1.62.0-nightly (7c4b47696 2022-04-30)
 
 extern crate rustc_error_codes;
 extern crate rustc_errors;
@@ -72,7 +72,8 @@ fn main() {
             println!("{:#?}", parse);
             // Analyze the program and inspect the types of definitions.
             queries.global_ctxt().unwrap().take().enter(|tcx| {
-                for item in tcx.hir().items() {
+                for id in tcx.hir().items() {
+                    let item = tcx.hir().item(id);
                     match item.kind {
                         rustc_hir::ItemKind::Static(_, _, _) | rustc_hir::ItemKind::Fn(_, _, _) => {
                             let name = item.ident;
diff --git a/src/doc/rustc-dev-guide/examples/rustc-driver-getting-diagnostics.rs b/src/doc/rustc-dev-guide/examples/rustc-driver-getting-diagnostics.rs
index c25695dd020..3bb0d545041 100644
--- a/src/doc/rustc-dev-guide/examples/rustc-driver-getting-diagnostics.rs
+++ b/src/doc/rustc-dev-guide/examples/rustc-driver-getting-diagnostics.rs
@@ -1,9 +1,9 @@
 #![feature(rustc_private)]
 
 // NOTE: For the example to compile, you will need to first run the following:
-//   rustup component add rustc-dev
+//   rustup component add rustc-dev llvm-tools-preview
 
-// version: 1.61.0-nightly (68369a041 2022-02-22)
+// version: 1.62.0-nightly (7c4b47696 2022-04-30)
 
 extern crate rustc_error_codes;
 extern crate rustc_errors;
diff --git a/src/doc/rustc-dev-guide/examples/rustc-driver-interacting-with-the-ast.rs b/src/doc/rustc-dev-guide/examples/rustc-driver-interacting-with-the-ast.rs
index c942ac32442..a0110f82d92 100644
--- a/src/doc/rustc-dev-guide/examples/rustc-driver-interacting-with-the-ast.rs
+++ b/src/doc/rustc-dev-guide/examples/rustc-driver-interacting-with-the-ast.rs
@@ -1,9 +1,9 @@
 #![feature(rustc_private)]
 
 // NOTE: For the example to compile, you will need to first run the following:
-//     rustup component add rustc-dev llvm-tools-preview
+//   rustup component add rustc-dev llvm-tools-preview
 
-// version: 1.61.0-nightly (68369a041 2022-02-22)
+// version: 1.62.0-nightly (7c4b47696 2022-04-30)
 
 extern crate rustc_ast_pretty;
 extern crate rustc_error_codes;
@@ -66,7 +66,8 @@ fn main() {
                 // Every compilation contains a single crate.
                 let hir_krate = tcx.hir();
                 // Iterate over the top-level items in the crate, looking for the main function.
-                for item in hir_krate.items() {
+                for id in hir_krate.items() {
+                    let item = hir_krate.item(id);
                     // Use pattern-matching to find a specific node inside the main function.
                     if let rustc_hir::ItemKind::Fn(_, _, body_id) = item.kind {
                         let expr = &tcx.hir().body(body_id).value;
@@ -76,7 +77,7 @@ fn main() {
                                     let hir_id = expr.hir_id; // hir_id identifies the string "Hello, world!"
                                     let def_id = tcx.hir().local_def_id(item.hir_id()); // def_id identifies the main function
                                     let ty = tcx.typeck(def_id).node_type(hir_id);
-                                    println!("{:?}: {:?}", expr, ty); // prints expr(HirId { owner: DefIndex(3), local_id: 4 }: "Hello, world!"): &'static str
+                                    println!("{:?}: {:?}", expr, ty);
                                 }
                             }
                         }