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StmtKind

Enum StmtKind 

Source
pub enum StmtKind {
    Let {
        mutable: bool,
        name: Option<Ident>,
        ty: Option<Ty>,
        value: Expr,
    },
    Assign {
        target: Expr,
        op: AssignOp,
        value: Expr,
    },
    While {
        cond: Expr,
        body: Block,
    },
    For {
        var: Ident,
        iter: ForIter,
        body: Block,
    },
    Expr(Expr),
}
Expand description

The forms of statements.

Variants§

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Let

let x: T = e, var x = e, let _ = e.

Fields

§mutable: bool

var

§name: Option<Ident>

The name; None for let _.

§ty: Option<Ty>

The written type.

§value: Expr

The initializer.

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Assign

place op= value

Fields

§target: Expr

The place.

§op: AssignOp

=, +=, …

§value: Expr

The value.

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While

while cond { body }

Fields

§cond: Expr

The condition.

§body: Block

The body.

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For

for x in mode? collection { body } or for i in a..b { body }.

Fields

§var: Ident

The loop variable.

§iter: ForIter

What is iterated.

§body: Block

The body.

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Expr(Expr)

An expression used as a statement.

Trait Implementations§

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impl Clone for StmtKind

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fn clone(&self) -> Self

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 StmtKind

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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 PartialEq for StmtKind

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for StmtKind

Auto Trait Implementations§

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> 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 = !

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

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.