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internal/{cm,wasi}: regenerate WASI 0.2 bindings with wasm-tools-go v0.3.0
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@@ -12,7 +12,18 @@ type Discriminant interface {
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// Variant represents a loosely-typed Component Model variant.
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// Shape and Align must be non-zero sized types. To create a variant with no associated
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// types, use an enum.
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type Variant[Tag Discriminant, Shape, Align any] struct{ variant[Tag, Shape, Align] }
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type Variant[Tag Discriminant, Shape, Align any] struct {
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_ HostLayout
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variant[Tag, Shape, Align]
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}
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// AnyVariant is a type constraint for generic functions that accept any [Variant] type.
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type AnyVariant[Tag Discriminant, Shape, Align any] interface {
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~struct {
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_ HostLayout
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variant[Tag, Shape, Align]
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}
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}
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// NewVariant returns a [Variant] with tag of type Disc, storage and GC shape of type Shape,
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// aligned to type Align, with a value of type T.
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@@ -26,7 +37,7 @@ func NewVariant[Tag Discriminant, Shape, Align any, T any](tag Tag, data T) Vari
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// New returns a [Variant] with tag of type Disc, storage and GC shape of type Shape,
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// aligned to type Align, with a value of type T.
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func New[V ~struct{ variant[Tag, Shape, Align] }, Tag Discriminant, Shape, Align any, T any](tag Tag, data T) V {
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func New[V AnyVariant[Tag, Shape, Align], Tag Discriminant, Shape, Align any, T any](tag Tag, data T) V {
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validateVariant[Tag, Shape, Align, T]()
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var v variant[Tag, Shape, Align]
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v.tag = tag
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@@ -35,7 +46,7 @@ func New[V ~struct{ variant[Tag, Shape, Align] }, Tag Discriminant, Shape, Align
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}
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// Case returns a non-nil *T if the [Variant] case is equal to tag, otherwise it returns nil.
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func Case[T any, V ~struct{ variant[Tag, Shape, Align] }, Tag Discriminant, Shape, Align any](v *V, tag Tag) *T {
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func Case[T any, V AnyVariant[Tag, Shape, Align], Tag Discriminant, Shape, Align any](v *V, tag Tag) *T {
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validateVariant[Tag, Shape, Align, T]()
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v2 := (*variant[Tag, Shape, Align])(unsafe.Pointer(v))
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if v2.tag == tag {
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@@ -47,6 +58,7 @@ func Case[T any, V ~struct{ variant[Tag, Shape, Align] }, Tag Discriminant, Shap
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// variant is the internal representation of a Component Model variant.
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// Shape and Align must be non-zero sized types.
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type variant[Tag Discriminant, Shape, Align any] struct {
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_ HostLayout
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tag Tag
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_ [0]Align
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data Shape // [unsafe.Sizeof(*(*Shape)(unsafe.Pointer(nil)))]byte
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