Enum sysctl::CtlValue

pub enum CtlValue {
    None,
    Node(Vec<u8>),
    Int(i32),
    String(String),
    S64(i64),
    Struct(Vec<u8>),
    Uint(u32),
    Long(i64),
    Ulong(u64),
    U64(u64),
    U8(u8),
    U16(u16),
    S8(i8),
    S16(i16),
    S32(i32),
    U32(u32),
}

An Enum that holds all values returned by sysctl calls. Extract inner value with if let or match.

Example

if let Ok(ctl) = sysctl::Ctl::new("kern.osrevision") {
    if let Ok(sysctl::CtlValue::Int(val)) = ctl.value() {
        println!("Value: {}", val);
    }
}

Variants

None

Node(Vec<u8>)

Int(i32)

String(String)

S64(i64)

Struct(Vec<u8>)

Uint(u32)

Long(i64)

Ulong(u64)

U64(u64)

U8(u8)

U16(u16)

S8(i8)

S16(i16)

S32(i32)

U32(u32)

Trait Implementations

impl Debug for CtlValue

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

Formats the value using the given formatter.

impl Display for CtlValue

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

Formats the value using the given formatter.

impl From<&'_ CtlValue> for CtlType

fn from(t: &CtlValue) -> Self

Performs the conversion.

impl From<CtlValue> for CtlType

fn from(t: CtlValue) -> Self

Performs the conversion.

impl PartialEq<CtlValue> for CtlValue

fn eq(&self, other: &CtlValue) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &CtlValue) -> bool

This method tests for !=.

impl PartialOrd<CtlValue> for CtlValue

fn partial_cmp(&self, other: &CtlValue) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]

pub fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]

pub fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]

pub fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]

pub fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for CtlValue