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AnyParameterRef

Enum AnyParameterRef 

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pub enum AnyParameterRef<'a> {
    Variadic(&'a Parameter),
    NonVariadic(&'a ParameterWithDefault),
}
Expand description

Enumeration of the two kinds of parameter

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Variadic(&'a Parameter)

Variadic parameters cannot have default values, e.g. both *args and **kwargs in the following function:

def foo(*args, **kwargs): pass
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NonVariadic(&'a ParameterWithDefault)

Non-variadic parameters can have default values, though they won’t necessarily always have them:

def bar(a=1, /, b=2, *, c=3): pass

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impl<'a> AnyParameterRef<'a>

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pub const fn as_parameter(self) -> &'a Parameter

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pub const fn name(self) -> &'a Identifier

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pub const fn is_variadic(self) -> bool

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pub fn annotation(self) -> Option<&'a Expr>

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pub fn default(self) -> Option<&'a Expr>

Trait Implementations§

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impl<'a> Clone for AnyParameterRef<'a>

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fn clone(&self) -> AnyParameterRef<'a>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a> Debug for AnyParameterRef<'a>

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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<'a> PartialEq for AnyParameterRef<'a>

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fn eq(&self, other: &AnyParameterRef<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Ranged for AnyParameterRef<'_>

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fn range(&self) -> TextRange

The range of this item in the source text.
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fn start(&self) -> TextSize

The start offset of this item in the source text.
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fn end(&self) -> TextSize

The end offset of this item in the source text.
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impl<'a> Copy for AnyParameterRef<'a>

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impl<'a> StructuralPartialEq for AnyParameterRef<'a>

Auto Trait Implementations§

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impl<'a> Freeze for AnyParameterRef<'a>

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impl<'a> RefUnwindSafe for AnyParameterRef<'a>

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impl<'a> Send for AnyParameterRef<'a>

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impl<'a> Sync for AnyParameterRef<'a>

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impl<'a> Unpin for AnyParameterRef<'a>

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impl<'a> UnsafeUnpin for AnyParameterRef<'a>

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impl<'a> UnwindSafe for AnyParameterRef<'a>

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.