pub enum Edition {
    Edition2015,
    Edition2018,
    Edition2021,
    Edition2024,
}
Expand description

The edition of the compiler. (See RFC 2052.)

Variants§

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Edition2015

The 2015 edition

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Edition2018

The 2018 edition

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Edition2021

The 2021 edition

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Edition2024

The 2024 edition

Implementations§

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impl Edition

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pub fn lint_name(self) -> &'static str

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pub fn feature_name(self) -> Symbol

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pub fn is_stable(self) -> bool

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pub fn is_rust_2015(self) -> bool

Is this edition 2015?

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pub fn rust_2018(self) -> bool

Are we allowed to use features from the Rust 2018 edition?

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pub fn rust_2021(self) -> bool

Are we allowed to use features from the Rust 2021 edition?

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pub fn rust_2024(self) -> bool

Are we allowed to use features from the Rust 2024 edition?

Trait Implementations§

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impl Clone for Edition

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fn clone(&self) -> Edition

Returns a copy 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 Debug for Edition

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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<__D: Decoder> Decodable<__D> for Edition

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fn decode(__decoder: &mut __D) -> Self

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impl Display for Edition

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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<__E: Encoder> Encodable<__E> for Edition

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fn encode(&self, __encoder: &mut __E)

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impl FromStr for Edition

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type Err = ()

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, ()>

Parses a string s to return a value of this type. Read more
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impl Hash for Edition

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where
H: Hasher,
Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<__CTX> HashStable<__CTX> for Editionwhere
__CTX: HashStableContext,

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fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

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impl PartialEq<Edition> for Edition

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd<Edition> for Edition

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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impl Eq for Edition

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impl StructuralEq for Edition

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impl StructuralPartialEq for Edition

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

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> ToOwned for Twhere
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> ToString for Twhere
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere
U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 1 byte

Size for each variant:

  • Edition2015: 0 bytes
  • Edition2018: 0 bytes
  • Edition2021: 0 bytes
  • Edition2024: 0 bytes