[−][src]Trait capnp::traits::Owned
Associated types hackery that allows us to reason about Cap'n Proto types
without needing to give them a lifetime 'a
.
If Foo
is a Cap'n Proto struct and Bar
is a Rust-native struct, then
foo::Reader<'a>
is to foo::Owned
as &'a Bar
is to Bar
, and
foo::Builder<'a>
is to foo::Owned
as &'a mut Bar
is to Bar
.
The relationship is formalized by an impl <'a> capnp::traits::Owned<'a> for foo::Owned
.
Because Cap'n Proto struct layout differs from Rust struct layout, a foo::Owned
value
cannot be used for anything interesting on its own; the foo::Owned
type is useful
nonetheless as a type parameter, e.g. for a generic container that owns a Cap'n Proto
message of type T: for<'a> capnp::traits::Owned<'a>
.
Associated Types
type Reader: FromPointerReader<'a> + SetPointerBuilder<Self::Builder>
type Builder: FromPointerBuilder<'a>
Implementors
impl<'a> Owned<'a> for capnp::any_pointer::Owned
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impl<'a> Owned<'a> for capnp::any_pointer_list::Owned
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impl<'a> Owned<'a> for capnp::data::Owned
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impl<'a> Owned<'a> for capnp::data_list::Owned
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impl<'a> Owned<'a> for capnp::text::Owned
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impl<'a> Owned<'a> for capnp::text_list::Owned
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impl<'a, T> Owned<'a> for capnp::capability_list::Owned<T> where
T: FromClientHook,
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T: FromClientHook,
impl<'a, T> Owned<'a> for capnp::enum_list::Owned<T> where
T: FromU16,
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T: FromU16,
impl<'a, T> Owned<'a> for capnp::list_list::Owned<T> where
T: for<'b> Owned<'b>,
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T: for<'b> Owned<'b>,
impl<'a, T> Owned<'a> for capnp::primitive_list::Owned<T> where
T: PrimitiveElement,
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T: PrimitiveElement,
impl<'a, T> Owned<'a> for capnp::struct_list::Owned<T> where
T: for<'b> OwnedStruct<'b>,
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T: for<'b> OwnedStruct<'b>,