Trait cpp_core::CastFrom

pub trait CastFrom<T>: Sized {
    unsafe fn cast_from(value: T) -> Self;
}

Performs some of the conversions that are available implicitly in C++.

CastInto is automatically implemented for all CastFrom conversions, similar to From and Into traits from std.

Required methods

unsafe fn cast_from(value: T) -> Self

Performs the conversion.

Safety

This operation is safe as long as value is valid.

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Implementors

impl<'a, T, U: CppDeletable> CastFrom<&'a CppBox<U>> for Ptr<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: &'a CppBox<U>) -> Self

impl<'a, T, U: CppDeletable> CastFrom<&'a CppBox<U>> for Ref<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: &'a CppBox<U>) -> Self

impl<T> CastFrom<NullPtr> for Ptr<T>

unsafe fn cast_from(_value: NullPtr) -> Self

impl<T, U> CastFrom<*const U> for Ptr<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: *const U) -> Self

impl<T, U> CastFrom<*mut U> for Ptr<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: *mut U) -> Self

impl<T, U> CastFrom<Ptr<U>> for Ptr<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: Ptr<U>) -> Self

impl<T, U> CastFrom<Ref<U>> for Ptr<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: Ref<U>) -> Self

impl<T, U> CastFrom<Ref<U>> for Ref<T> where
    U: StaticUpcast<T>, 

unsafe fn cast_from(value: Ref<U>) -> Self

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