fix examples using Ty.kind() in the book (#13875)

flip1995 · web-flow · commit dff0294ab34f · 2024-12-26T12:31:32.000Z
`Ty.kind()` is a method.

changelog: none
diff --git a/book/src/development/common_tools_writing_lints.md b/book/src/development/common_tools_writing_lints.md
@@ -37,7 +37,7 @@ impl LateLintPass<'_> for MyStructLint {
         // Get type of `expr`
         let ty = cx.typeck_results().expr_ty(expr);
         // Match its kind to enter its type
-        match ty.kind {
+        match ty.kind() {
             ty::Adt(adt_def, _) if adt_def.is_struct() => println!("Our `expr` is a struct!"),
             _ => ()
         }
diff --git a/book/src/development/type_checking.md b/book/src/development/type_checking.md
@@ -94,7 +94,7 @@ impl LateLintPass<'_> for MyStructLint {
         // Get type of `expr`
         let ty = cx.typeck_results().expr_ty(expr);
         // Match its kind to enter the type
-        match ty.kind {
+        match ty.kind() {
             ty::Adt(adt_def, _) if adt_def.is_struct() => println!("Our `expr` is a struct!"),
             _ => ()
         }

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ impl LateLintPass<'_> for MyStructLint {`
`37`	`37`	// Get type of `expr`
`38`	`38`	`let ty = cx.typeck_results().expr_ty(expr);`
`39`	`39`	`// Match its kind to enter its type`
`40`		`- match ty.kind {`
	`40`	`+ match ty.kind() {`
`41`	`41`	ty::Adt(adt_def, _) if adt_def.is_struct() => println!("Our `expr` is a struct!"),
`42`	`42`	`_ => ()`
`43`	`43`	`}`
Original file line number	Diff line number	Diff line change
`@@ -94,7 +94,7 @@ impl LateLintPass<'_> for MyStructLint {`
`94`	`94`	// Get type of `expr`
`95`	`95`	`let ty = cx.typeck_results().expr_ty(expr);`
`96`	`96`	`// Match its kind to enter the type`
`97`		`- match ty.kind {`
	`97`	`+ match ty.kind() {`
`98`	`98`	ty::Adt(adt_def, _) if adt_def.is_struct() => println!("Our `expr` is a struct!"),
`99`	`99`	`_ => ()`
`100`	`100`	`}`