Type Definition specs::ReadExpect [−][src]
type ReadExpect<'a, T> = Read<'a, T, PanicHandler>;
Expand description
Allows to fetch a resource in a system immutably.
This will panic if the resource does not exist.
Usage of Read
or Option<Read>
is therefore recommended.
Trait Implementations
Open this join by returning the mask and the storages. Read more
Get a joined component value by a given index. Read more
If this Join
typically returns all indices in the mask, then iterating
over only it or combined with other joins that are also dangerous
will cause the JoinIter
/ParJoin
to go through all indices which
is usually not what is wanted and will kill performance. Read more
Create a joined iterator over the contents.
Create a joined parallel iterator over the contents.