Enum VersionConstraint

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pub enum VersionConstraint {
    Semver(VersionReq),
    Latest,
    RefPin(String),
}

Expand description

How a version constraint was specified.

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Semver(VersionReq)

Semver requirement (^1.0, >=0.5.0, ~2.1, exact version).

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Latest

Any version, prefer newest.

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RefPin(String)

Branch or commit pin — no semver resolution.

Implementations§

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impl VersionConstraint

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pub fn compatible_with(&self, other: &VersionConstraint) -> CompatibilityResult

Check if this constraint is compatible with another.

Matrix:

Latest + Latest => Compatible
Semver(same) + Semver(same) => Compatible
RefPin(same) + RefPin(same) => Compatible
Latest + Semver/RefPin => PotentiallyConflicting
Different Semver/RefPin => Conflicting
Semver + RefPin => Conflicting

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pub fn compatible_with_resolved( &self, other: &VersionConstraint, resolved_version: Option<&Version>, ) -> CompatibilityResult

Check compatibility against a concrete resolved version.

This is stricter than pure syntactic comparison for semver constraints: two different semver expressions are compatible when both accept the already-resolved concrete version.

Trait Implementations§

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impl Clone for VersionConstraint

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fn clone(&self) -> VersionConstraint

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for VersionConstraint

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

Formats the value using the given formatter. Read more

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impl Display for VersionConstraint

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for VersionConstraint

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

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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

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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