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More small syntax changes in reference.md #24760

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More small syntax changes in reference.md #24760

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8 changes: 4 additions & 4 deletions src/doc/reference.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2640,7 +2640,7 @@ parentheses. They are used to create [tuple-typed](#tuple-types) values.
```{.tuple}
(0,);
(0.0, 4.5);
("a", 4us, true);
("a", 4usize, true);
```

### Unit expressions
Expand Down Expand Up @@ -3163,7 +3163,7 @@ An example of a for loop over the contents of an array:

let v: &[Foo] = &[a, b, c];

for e in v.iter() {
for e in v {
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this technically changes behavior, though I'm not sure it matters here. &v would give you iter(), just v gives into_iter().

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Since v is already a reference, it appears that the for loop is actually using v.iter(). This code fails, but replacing it with v.iter() works.

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ah, i missed that v was a slice! I clicked merge regardless.

bar(*e);
}
```
Expand Down Expand Up @@ -3694,12 +3694,12 @@ Within the body of an item that has type parameter declarations, the names of
its type parameters are types:

```ignore
fn map<A: Clone, B: Clone>(f: |A| -> B, xs: &[A]) -> Vec<B> {
fn map<A: Clone, B: Clone, F: Fn(A) -> B>(f: F, xs: &[A]) -> Vec<B> {
if xs.is_empty() {
return vec![];
}
let first: B = f(xs[0].clone());
let mut rest: Vec<B> = map(f, xs.slice(1, xs.len()));
let mut rest: Vec<B> = map(f, &xs[1..]);
rest.insert(0, first);
return rest;
}
Expand Down