Revise examples to avoid using nth.

bytecodealliance · Apr 18, 2020 · d1e639f · d1e639f
1 parent cca2031
commit d1e639f
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/crates/api/src/module.rs b/crates/api/src/module.rs
@@ -456,14 +456,15 @@ impl Module {
     /// let module = Module::new(&store, wat)?;
     /// assert_eq!(module.exports().len(), 2);
     ///
-    /// let foo = module.exports().next().unwrap();
+    /// let mut exports = module.exports();
+    /// let foo = exports.next().unwrap();
     /// assert_eq!(foo.name, "foo");
     /// match foo.ty {
     ///     ExternType::Func(_) => { /* ... */ }
     ///     _ => panic!("unexpected export type!"),
     /// }
     ///
-    /// let memory = module.exports().nth(1).unwrap();
+    /// let memory = exports.next().unwrap();
     /// assert_eq!(memory.name, "memory");
     /// match memory.ty {
     ///     ExternType::Memory(_) => { /* ... */ }

diff --git a/tests/all/traps.rs b/tests/all/traps.rs
@@ -286,14 +286,15 @@ fn rust_panic_import() -> Result<()> {
             Func::wrap(&store, || panic!("this is another panic")).into(),
         ],
     )?;
-    let func = instance.exports().next().unwrap().into_func().unwrap();
+    let mut exports = instance.exports();
+    let func = exports.next().unwrap().into_func().unwrap();
     let err = panic::catch_unwind(AssertUnwindSafe(|| {
         drop(func.call(&[]));
     }))
     .unwrap_err();
     assert_eq!(err.downcast_ref::<&'static str>(), Some(&"this is a panic"));
 
-    let func = instance.exports().nth(1).unwrap().into_func().unwrap();
+    let func = exports.next().unwrap().into_func().unwrap();
     let err = panic::catch_unwind(AssertUnwindSafe(|| {
         drop(func.call(&[]));
     }))