Trait artichoke_backend::extn::prelude::BoxUnboxVmValue
source · [−]pub trait BoxUnboxVmValue {
type Unboxed;
type Guarded;
const RUBY_TYPE: &'static str;
unsafe fn unbox_from_value<'a>(
value: &'a mut Value,
interp: &mut Artichoke
) -> Result<UnboxedValueGuard<'a, Self::Guarded>, Error>;
fn alloc_value(
value: Self::Unboxed,
interp: &mut Artichoke
) -> Result<Value, Error>;
fn box_into_value(
value: Self::Unboxed,
into: Value,
interp: &mut Artichoke
) -> Result<Value, Error>;
fn free(data: *mut c_void);
}
Required Associated Types
Required Associated Constants
Required Methods
unsafe fn unbox_from_value<'a>(
value: &'a mut Value,
interp: &mut Artichoke
) -> Result<UnboxedValueGuard<'a, Self::Guarded>, Error>
unsafe fn unbox_from_value<'a>(
value: &'a mut Value,
interp: &mut Artichoke
) -> Result<UnboxedValueGuard<'a, Self::Guarded>, Error>
Safety
Implementations may return owned values. These values must not outlive
the underlying mrb_value
, which may be garbage collected by mruby.
The values returned by this method should not be stored for more than the current FFI trampoline entry point.