DependencySpecificationOperator

arch_pkg_text::value

Enum DependencySpecificationOperator

pub enum DependencySpecificationOperator {
    Less = -2,
    LessOrEqual = -1,
    Equal = 0,
    GreaterOrEqual = 1,
    Greater = 2,
}

Expand description

Operator at the start of a DependencySpecification.

Variants§

Less = -2

LessOrEqual = -1

Equal = 0

GreaterOrEqual = 1

Greater = 2

Implementations§

impl DependencySpecificationOperator

pub fn parse(input: &str) -> Option<(Self, &str)>

Parse a dependency spec operator from an input string.

assert_eq!(
    DependencySpecificationOperator::parse("<1.27.0-1"),
    Some((DependencySpecificationOperator::Less, "1.27.0-1")),
);
assert_eq!(
    DependencySpecificationOperator::parse("<=1.27.0-1"),
    Some((DependencySpecificationOperator::LessOrEqual, "1.27.0-1")),
);
assert_eq!(
    DependencySpecificationOperator::parse("=1.27.0-1"),
    Some((DependencySpecificationOperator::Equal, "1.27.0-1")),
);
assert_eq!(
    DependencySpecificationOperator::parse(">=1.27.0-1"),
    Some((DependencySpecificationOperator::GreaterOrEqual, "1.27.0-1")),
);
assert_eq!(
    DependencySpecificationOperator::parse(">1.27.0-1"),
    Some((DependencySpecificationOperator::Greater, "1.27.0-1")),
);
assert_eq!(DependencySpecificationOperator::parse("1.27.0-1"), None);

Trait Implementations§

impl AsRef<str> for DependencySpecificationOperator

fn as_ref(&self) -> &str

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for DependencySpecificationOperator

fn clone(&self) -> DependencySpecificationOperator

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for DependencySpecificationOperator

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

Formats the value using the given formatter. Read more

impl Display for DependencySpecificationOperator

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

Formats the value using the given formatter. Read more

impl<'_derivative_strum> From<&'_derivative_strum DependencySpecificationOperator> for &'static str

fn from(x: &'_derivative_strum DependencySpecificationOperator) -> &'static str

Converts to this type from the input type.

impl From<DependencySpecificationOperator> for &'static str

fn from(x: DependencySpecificationOperator) -> &'static str

Converts to this type from the input type.

impl FromStr for DependencySpecificationOperator

type Err = ParseError

The associated error which can be returned from parsing.

fn from_str( s: &str, ) -> Result<DependencySpecificationOperator, <Self as FromStr>::Err>

Parses a string s to return a value of this type. Read more

impl PartialEq for DependencySpecificationOperator

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TryFrom<&str> for DependencySpecificationOperator

type Error = ParseError

The type returned in the event of a conversion error.

fn try_from( s: &str, ) -> Result<DependencySpecificationOperator, <Self as TryFrom<&str>>::Error>

Performs the conversion.

impl Copy for DependencySpecificationOperator

impl Eq for DependencySpecificationOperator

impl StructuralPartialEq for DependencySpecificationOperator

Auto Trait Implementations§

impl Freeze for DependencySpecificationOperator

impl RefUnwindSafe for DependencySpecificationOperator

impl Send for DependencySpecificationOperator

impl Sync for DependencySpecificationOperator

impl Unpin for DependencySpecificationOperator

impl UnwindSafe for DependencySpecificationOperator

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<X> Pipe for X

fn pipe<Return, Function>(self, f: Function) -> Return
where Self: Sized, Function: FnOnce(Self) -> Return,

Apply f to self. Read more

fn pipe_ref<'a, Return, Function>(&'a self, f: Function) -> Return
where Function: FnOnce(&'a Self) -> Return,

Apply f to &self. Read more

fn pipe_mut<'a, Return, Function>(&'a mut self, f: Function) -> Return
where Function: FnOnce(&'a mut Self) -> Return,

Apply f to &mut self. Read more

fn pipe_as_ref<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: AsRef<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait AsRef<Param>. Read more

fn pipe_as_mut<'a, Param, Return, Function>(&'a mut self, f: Function) -> Return
where Self: AsMut<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait AsMut<Param>. Read more

fn pipe_deref<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: Deref<Target = Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait Deref<Target = Param>. Read more

fn pipe_deref_mut<'a, Param, Return, Function>( &'a mut self, f: Function, ) -> Return
where Self: DerefMut<Target = Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait DerefMut<Target = Param>. Read more

fn pipe_borrow<'a, Param, Return, Function>(&'a self, f: Function) -> Return
where Self: Borrow<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a Param) -> Return,

Apply f to &self where f takes a single parameter of type Param and Self implements trait Borrow<Param>. Read more

fn pipe_borrow_mut<'a, Param, Return, Function>( &'a mut self, f: Function, ) -> Return
where Self: BorrowMut<Param>, Param: 'a + ?Sized, Function: FnOnce(&'a mut Param) -> Return,

Apply f to &mut self where f takes a single parameter of type Param and Self implements trait BorrowMut<Param>. Read more

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.