Update shipyard requirement from 0.7 to 0.8

[dependabot]

Updates the requirements on shipyard to permit the latest version.

Release notes

Sourced from shipyard's releases.

Shipyard 0.8

Shiperator is back

A long time ago in a galaxy not that far away... Shipyard had a Shiperator trait. This trait was a copy of std's Iterator. The problem it solved was filter iteration over storage tracking modification. filter iterates through all elements before applying the filter. This is important because back then components were flagged for modification as soon as the reference was created, before the filter ran. That meant all components would get flagged. To prevent that, Shiperator returned a shipyard::Filter. It was aware of tracking and didn't flag filtered out components. Shiperator was then removed when Mut was introduced. Instead of flagging component immediately, they only get flagged when Mut is dereferenced.

iter module rework

One of the main goal of this rework was to enable custom views and built-in views iteration.

Example:

use shipyard::{Borrow, Component, IntoIter, View, World};
#[derive(Component)]
struct FlightSpeed;
#[derive(Component)]
struct HasHorn;
#[derive(Component)]
struct IsFrozen;
#[derive(Borrow, IntoIter)]
struct PegasusView<'v> {
v_flight_speed: View<'v, FlightSpeed>,
v_has_horn: View<'v, HasHorn>
// Could have multiple other fields
}
fn main() {
let mut world = World::new();
world.add_entity((FlightSpeed, HasHorn, IsFrozen));
world.run(|v_pegasus: PegasusView, v_is_frozen: View&lt;IsFrozen&gt;| {
// Here we want to iterate over entities that have all FlightSpeed, HasHorn and IsFrozen components
for (pegasus, is_frozen) in (&amp;v_pegasus, &amp;v_is_frozen).iter() {
let _: (Pegasus, &amp;IsFrozen) = (pegasus, is_frozen);
}
});

}

(&v_pegasus, &v_is_frozen).iter() this iterator didn't work in v0.7. It was possible to iterate multiple built-in views OR a custom view but not both.

Some traits that I used to know

... (truncated)

Commits

• 57e8ed8 Switch shipyard proc to crates.io
• 7ad064f Switch guide version in README from 0.7 to 0.8
• 49029d9 Bump shipyard version to 0.8
• 745b260 Bump shipyard proc version to 0.5
• d5e5835 Duplicate guide for 0.8
• 9e9d025 Update wasm pack for bunny demo
• ed372f4 Fix slice iteration
• 3fdbcf7 Refactor exports
• 4db4fbf Add extended_tuple cargo feature
• f1a4c87 Fix internal macro names
• Additional commits viewable in compare view

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