[][src]Struct stdlib::Compatibility

pub struct Compatibility {
    pub struct_and_function_linking: bool,
    pub struct_layout: bool,

The result of a linking and layoutcompatibility check. Here is what the different combinations mean: { struct: true, struct_layout: true }: fully backward compatible { struct_and_function_linking: true, struct_layout: false }: Dependent modules that reference functions or types in this module may not link. However, fixing, recompiling, and redeploying all dependent modules will work--no data migration needed. { type_and_function_linking: true, struct_layout: false }: Attempting to read structs published by this module will now fail at runtime. However, dependent modules will continue to link. Requires data migration, but no changes to dependent modules. { type_and_function_linking: false, struct_layout: false }: Everything is broken. Need both a data migration and changes to dependent modules.


struct_and_function_linking: bool

If false, dependent modules that reference functions or structs in this module may not link

struct_layout: bool

If false, attempting to read structs previously published by this module will fail at runtime


impl Compatibility[src]

pub fn is_fully_compatible(&self) -> bool[src]

Return true if the two module s compared in the compatiblity check are both linking and layout compatible.

pub fn check(old_module: &Module, new_module: &Module) -> Compatibility[src]

Return compatibility assessment for new_module relative to old module old_module

pub fn can_update(
    old_module: &Module,
    new_module: &CompiledModule,
    _new_module_dependencies: &[CompiledModule]
) -> bool

Return true if new_module can safely update old_module

Auto Trait Implementations

impl RefUnwindSafe for Compatibility

impl Send for Compatibility

impl Sync for Compatibility

impl Unpin for Compatibility

impl UnwindSafe for Compatibility

Blanket Implementations

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

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

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

impl<T> From<T> for T[src]

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

impl<T> Pointable for T

type Init = T

The type for initializers.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

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.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,