lucet_runtime_internals::val

Struct UntypedRetVal

pub struct UntypedRetVal { /* private fields */ }

Expand description

A value returned by a guest function.

Since the Rust type system cannot know the type of the returned value, the user must use the appropriate From implementation or as_T method.

Implementations§

impl UntypedRetVal

pub fn as_f32(&self) -> f32

impl UntypedRetVal

pub fn as_f64(&self) -> f64

impl UntypedRetVal

pub fn as_u8(&self) -> u8

impl UntypedRetVal

pub fn as_u16(&self) -> u16

impl UntypedRetVal

pub fn as_u32(&self) -> u32

impl UntypedRetVal

pub fn as_u64(&self) -> u64

impl UntypedRetVal

pub fn as_i8(&self) -> i8

impl UntypedRetVal

pub fn as_i16(&self) -> i16

impl UntypedRetVal

pub fn as_i32(&self) -> i32

impl UntypedRetVal

pub fn as_i64(&self) -> i64

impl UntypedRetVal

pub fn as_bool(&self) -> bool

pub fn as_ptr<T>(&self) -> *const T

pub fn as_mut<T>(&self) -> *mut T

Trait Implementations§

impl Clone for UntypedRetVal

fn clone(&self) -> UntypedRetVal

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for UntypedRetVal

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Default for UntypedRetVal

fn default() -> UntypedRetVal

Returns the “default value” for a type. Read more

impl Display for UntypedRetVal

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl From<&UntypedRetVal> for bool

fn from(retval: &UntypedRetVal) -> bool

Converts to this type from the input type.

impl From<&UntypedRetVal> for f32

fn from(retval: &UntypedRetVal) -> f32

Converts to this type from the input type.

impl From<&UntypedRetVal> for f64

fn from(retval: &UntypedRetVal) -> f64

Converts to this type from the input type.

impl From<&UntypedRetVal> for i16

fn from(retval: &UntypedRetVal) -> i16

Converts to this type from the input type.

impl From<&UntypedRetVal> for i32

fn from(retval: &UntypedRetVal) -> i32

Converts to this type from the input type.

impl From<&UntypedRetVal> for i64

fn from(retval: &UntypedRetVal) -> i64

Converts to this type from the input type.

impl From<&UntypedRetVal> for i8

fn from(retval: &UntypedRetVal) -> i8

Converts to this type from the input type.

impl From<&UntypedRetVal> for u16

fn from(retval: &UntypedRetVal) -> u16

Converts to this type from the input type.

impl From<&UntypedRetVal> for u32

fn from(retval: &UntypedRetVal) -> u32

Converts to this type from the input type.

impl From<&UntypedRetVal> for u64

fn from(retval: &UntypedRetVal) -> u64

Converts to this type from the input type.

impl From<&UntypedRetVal> for u8

fn from(retval: &UntypedRetVal) -> u8

Converts to this type from the input type.

impl From<RegVal> for UntypedRetVal

fn from(reg: RegVal) -> UntypedRetVal

Converts to this type from the input type.

impl<T: Into<Val>> From<T> for UntypedRetVal

fn from(v: T) -> UntypedRetVal

Converts to this type from the input type.

impl From<UntypedRetVal> for bool

fn from(retval: UntypedRetVal) -> bool

Converts to this type from the input type.

impl From<UntypedRetVal> for f32

fn from(retval: UntypedRetVal) -> f32

Converts to this type from the input type.

impl From<UntypedRetVal> for f64

fn from(retval: UntypedRetVal) -> f64

Converts to this type from the input type.

impl From<UntypedRetVal> for i16

fn from(retval: UntypedRetVal) -> i16

Converts to this type from the input type.

impl From<UntypedRetVal> for i32

fn from(retval: UntypedRetVal) -> i32

Converts to this type from the input type.

impl From<UntypedRetVal> for i64

fn from(retval: UntypedRetVal) -> i64

Converts to this type from the input type.

impl From<UntypedRetVal> for i8

fn from(retval: UntypedRetVal) -> i8

Converts to this type from the input type.

impl From<UntypedRetVal> for lucet_untyped_retval

fn from(retval: UntypedRetVal) -> lucet_untyped_retval

Converts to this type from the input type.

impl From<UntypedRetVal> for u16

fn from(retval: UntypedRetVal) -> u16

Converts to this type from the input type.

impl From<UntypedRetVal> for u32

fn from(retval: UntypedRetVal) -> u32

Converts to this type from the input type.

impl From<UntypedRetVal> for u64

fn from(retval: UntypedRetVal) -> u64

Converts to this type from the input type.

impl From<UntypedRetVal> for u8

fn from(retval: UntypedRetVal) -> u8

Converts to this type from the input type.

impl UntypedRetValInternal for UntypedRetVal

fn fp(&self) -> __m128

fn gp(&self) -> u64

impl Copy for UntypedRetVal

Auto Trait Implementations§

impl Freeze for UntypedRetVal

impl RefUnwindSafe for UntypedRetVal

impl Send for UntypedRetVal

impl Sync for UntypedRetVal

impl Unpin for UntypedRetVal

impl UnwindSafe for UntypedRetVal

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.