Auto merge of #22541 - Manishearth:rollup, r=Gankro 1.0.0-alpha.2

Continued from #22520

3 files changed, 10 insertions, 10 deletions

diff --git a/src/doc/reference.md b/src/doc/reference.md
index 70baebf0d30..db940947040 100644
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -572,7 +572,7 @@ the final namespace qualifier is omitted.
 Two examples of paths with type arguments:
 
 ```
-# struct HashMap<K, V>;
+# struct HashMap<K, V>(K,V);
 # fn f() {
 # fn id<T>(t: T) -> T { t }
 type T = HashMap<i32,String>; // Type arguments used in a type expression
@@ -1599,7 +1599,7 @@ pointer values (pointing to a type for which an implementation of the given
 trait is in scope) to pointers to the trait name, used as a type.
 
 ```
-# trait Shape { }
+# trait Shape { fn dummy(&self) { } }
 # impl Shape for i32 { }
 # let mycircle = 0i32;
 let myshape: Box<Shape> = Box::new(mycircle) as Box<Shape>;
@@ -1630,8 +1630,8 @@ let x: f64 = Num::from_i32(42);
 Traits may inherit from other traits. For example, in
 
 ```
-trait Shape { fn area() -> f64; }
-trait Circle : Shape { fn radius() -> f64; }
+trait Shape { fn area(&self) -> f64; }
+trait Circle : Shape { fn radius(&self) -> f64; }
 ```
 
 the syntax `Circle : Shape` means that types that implement `Circle` must also
@@ -1725,7 +1725,7 @@ type parameters taken by the trait it implements. Implementation parameters
 are written after the `impl` keyword.
 
 ```
-# trait Seq<T> { }
+# trait Seq<T> { fn dummy(&self, _: T) { } }
 impl<T> Seq<T> for Vec<T> {
    /* ... */
 }
@@ -3583,7 +3583,7 @@ An example of each kind:
 ```{rust}
 let vec: Vec<i32> = vec![1, 2, 3];
 let arr: [i32; 3] = [1, 2, 3];
-let s: &[i32] = &vec[];
+let s: &[i32] = &vec[..];
 ```
 
 As you can see, the `vec!` macro allows you to create a `Vec<T>` easily. The
diff --git a/src/doc/trpl/ffi.md b/src/doc/trpl/ffi.md
index f2b95f19edc..97e826579fd 100644
--- a/src/doc/trpl/ffi.md
+++ b/src/doc/trpl/ffi.md
@@ -435,8 +435,8 @@ extern {
 }
 
 fn main() {
-    let prompt = CString::from_slice(b"[my-awesome-shell] $");
-    unsafe { 
+    let prompt = CString::new("[my-awesome-shell] $").unwrap();
+    unsafe {
         rl_prompt = prompt.as_ptr();
 
         println!("{:?}", rl_prompt);
@@ -541,6 +541,6 @@ pub extern fn hello_rust() -> *const u8 {
 
 The `extern` makes this function adhere to the C calling convention, as
 discussed above in "[Foreign Calling
-Conventions](guide-ffi.html#foreign-calling-conventions)". The `no_mangle`
+Conventions](ffi.html#foreign-calling-conventions)". The `no_mangle`
 attribute turns off Rust's name mangling, so that it is easier to link to.
 
diff --git a/src/doc/trpl/patterns.md b/src/doc/trpl/patterns.md
index 122cffe3697..9e82e48fd18 100644
--- a/src/doc/trpl/patterns.md
+++ b/src/doc/trpl/patterns.md
@@ -180,7 +180,7 @@ If you want to match against a slice or array, you can use `&`:
 fn main() {
     let v = vec!["match_this", "1"];
 
-    match &v[] {
+    match &v[..] {
         ["match_this", second] => println!("The second element is {}", second),
         _ => {},
     }