Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Improve html! "for" iterable ergonomics #875

Merged
merged 2 commits into from
Jan 15, 2020
Merged

Improve html! "for" iterable ergonomics #875

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
185ee0f
Improve html! iteratable ergonomics
jstarry Jan 15, 2020
a4cc2bd
feedback
jstarry Jan 15, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 1 addition & 2 deletions crates/macro/src/html_tree/html_iterable.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,7 @@ impl ToTokens for HtmlIterable {
let expr = &self.0;
let new_tokens = quote_spanned! {expr.span()=> {
let mut __yew_vlist = ::yew::virtual_dom::VList::default();
let __yew_nodes: &mut ::std::iter::Iterator<Item = _> = &mut(#expr);
for __yew_node in __yew_nodes.into_iter() {
for __yew_node in #expr {
__yew_vlist.add_child(__yew_node.into());
}
::yew::virtual_dom::VNode::from(__yew_vlist)
Expand Down
4 changes: 2 additions & 2 deletions tests/macro/html-iterable-fail.stderr
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ error[E0277]: `()` is not an iterator
| ^^ `()` is not an iterator
|
= help: the trait `std::iter::Iterator` is not implemented for `()`
= note: required for the cast to the object type `dyn std::iter::Iterator<Item = _>`
= note: required by `std::iter::IntoIterator::into_iter`

error[E0277]: `()` is not an iterator
--> $DIR/html-iterable-fail.rs:6:17
Expand All @@ -20,7 +20,7 @@ error[E0277]: `()` is not an iterator
| ^^^^ `()` is not an iterator
|
= help: the trait `std::iter::Iterator` is not implemented for `()`
= note: required for the cast to the object type `dyn std::iter::Iterator<Item = _>`
= note: required by `std::iter::IntoIterator::into_iter`

error[E0277]: `()` doesn't implement `std::fmt::Display`
--> $DIR/html-iterable-fail.rs:7:17
Expand Down
4 changes: 4 additions & 0 deletions tests/macro/html-iterable-pass.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,16 @@ use std::iter;

fn compile_pass() {
html! { for iter::empty::<Html>() };
html! { for Vec::<Html>::new() };
html! { for Vec::<Html>::new().into_iter() };
html! { for (0..3).map(|num| { html! { <span>{num}</span> } }) };
html! { for {iter::empty::<Html>()} };

let empty: Vec<Html> = Vec::new();
html! { for empty.into_iter() };

let empty: Vec<Html> = Vec::new();
html! { for empty };
}

fn main() {}