Struct nvpair::NvListRef

pub struct NvListRef(_);

A borrowed reference to a NvList.

Implementations

impl NvListRef

pub unsafe fn from_mut_ptr<'a>(v: *mut nvlist) -> &'a mut Self

Safety

Must be passed a valid, non-null nvlist pointer that is mutable, with a lifetime of at least 'a

pub unsafe fn from_ptr<'a>(v: *const nvlist) -> &'a Self

Safety

Must be passed a valid, non-null nvlist pointer with a lifetime of at least 'a.

pub fn as_mut_ptr(&mut self) -> *mut nvlist

pub fn as_ptr(&self) -> *const nvlist

pub fn encoded_size(&self, encoding: NvEncoding) -> Result<u64>

pub fn is_empty(&self) -> bool

pub fn add_boolean<S: CStrArgument>(&mut self, name: S) -> Result<()>

pub fn first(&self) -> Option<&NvPair>

pub fn iter(&self) -> NvListIter<'_>

pub fn exists<S: CStrArgument>(&self, name: S) -> bool

pub fn lookup<S: CStrArgument>(&self, name: S) -> Result<&NvPair>

pub fn try_to_owned(&self) -> Result<NvList>

pub fn lookup_nvlist<S: CStrArgument>(&self, name: S) -> Result<NvList>

pub fn lookup_string<S: CStrArgument>(&self, name: S) -> Result<CString>

pub fn lookup_uint64<S: CStrArgument>(&self, name: S) -> Result<u64>

pub fn lookup_nvlist_array<S: CStrArgument>(
    &self,
    name: S
) -> Result<Vec<NvList>>

pub fn lookup_uint64_array<S: CStrArgument>(&self, name: S) -> Result<Vec<u64>>

pub fn insert<S: CStrArgument, D: NvEncode + ?Sized>(
    &mut self,
    name: S,
    data: &D
) -> Result<()>

Trait Implementations

impl AsMut<NvListRef> for NvList

pub fn as_mut(&mut self) -> &mut NvListRef

Performs the conversion.

impl AsRef<NvListRef> for NvList

pub fn as_ref(&self) -> &NvListRef

Performs the conversion.

impl Borrow<NvListRef> for NvList

pub fn borrow(&self) -> &NvListRef

Immutably borrows from an owned value.

impl BorrowMut<NvListRef> for NvList

pub fn borrow_mut(&mut self) -> &mut NvListRef

Mutably borrows from an owned value.

impl Debug for NvListRef

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

Formats the value using the given formatter.

impl ForeignTypeRef for NvListRef

type CType = nvlist

The raw C type.

pub unsafe fn from_ptr<'a>(ptr: *mut Self::CType) -> &'a Self

Constructs a shared instance of this type from its raw type.

pub unsafe fn from_ptr_mut<'a>(ptr: *mut Self::CType) -> &'a mut Self

Constructs a mutable reference of this type from its raw type.

pub fn as_ptr(&self) -> *mut Self::CType

Returns a raw pointer to the wrapped value.

impl<'a> IntoIterator for &'a NvListRef

type Item = &'a NvPair

The type of the elements being iterated over.

type IntoIter = NvListIter<'a>

Which kind of iterator are we turning this into?

pub fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl NvEncode for NvListRef

pub fn insert_into<S: CStrArgument>(
    &self,
    name: S,
    nv: &mut NvListRef
) -> Result<()>