Trait gluon_vm::gc::DataDef

pub unsafe trait DataDef {
    type Value: ?Sized + for<'a> FromPtr<&'a Self>;
    fn size(&self) -> usize;
    fn initialize<'w>(
        self, 
        ptr: WriteOnly<'w, Self::Value>
    ) -> &'w mut Self::Value;

    fn fields(&self) -> Option<&[InternedStr]> { ... }
    fn tag(&self) -> Option<InternedStr> { ... }
}

A definition of some data which may be allocated by the garbage collector.

Associated Types

type Value: ?Sized + for<'a> FromPtr<&'a Self>

The type of the value allocated.

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Required methods

fn size(&self) -> usize

Returns how many bytes need to be allocted for this DataDef

fn initialize<'w>(self, ptr: WriteOnly<'w, Self::Value>) -> &'w mut Self::Value

Consumes self to initialize the allocated value. Returns the initialized pointer.

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Provided methods

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

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Implementations on Foreign Types

impl<'a> DataDef for &'a [u8]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<u8>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [VmInt]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<VmInt>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [f64]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<f64>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [GcStr]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<GcStr>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [GcPtr<ValueArray>]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<GcPtr<ValueArray>>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [Value]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<Value>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [GcPtr<Box<dyn Userdata>>]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<GcPtr<Box<dyn Userdata>>>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a [GcPtr<Thread>]

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl DataDef for Vec<GcPtr<Thread>>

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

impl<'a> DataDef for &'a str

type Value = ValueArray

fn size(&self) -> usize

fn initialize<'w>(self, result: WriteOnly<'w, ValueArray>) -> &'w mut ValueArray

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

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Implementors

impl<T> DataDef for Move<T>

type Value = T

fn size(&self) -> usize

fn initialize(self, result: WriteOnly<T>) -> &mut T

fn fields(&self) -> Option<&[InternedStr]>

fn tag(&self) -> Option<InternedStr>

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