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StmtKind

Enum StmtKind 

Source
pub enum StmtKind {
    Let {
        mutable: bool,
        pattern: Pattern,
        type_ann: Option<TypeAnn>,
        value: Expr,
    },
    ExprStmt {
        expr: Expr,
        has_semi: bool,
    },
    FnDecl {
        name: String,
        params: Vec<Param>,
        body: Vec<Stmt>,
    },
    For {
        pattern: Pattern,
        iter: Expr,
        body: Vec<Stmt>,
    },
    While {
        cond: Expr,
        body: Vec<Stmt>,
    },
    WhileLet {
        pattern: Pattern,
        expr: Expr,
        body: Vec<Stmt>,
    },
    Loop {
        body: Vec<Stmt>,
    },
    Break {
        value: Option<Expr>,
    },
    Continue,
    Use {
        path: Vec<String>,
        imports: UseImports,
    },
    Return {
        value: Option<Expr>,
    },
    Assign {
        target: AssignTarget,
        op: AssignOp,
        value: Expr,
    },
}

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Let

let [mut] pattern [: type] = expr;

Fields

§mutable: bool
§pattern: Pattern
§type_ann: Option<TypeAnn>
§value: Expr
§

ExprStmt

Expression statement (with trailing semicolon = discards value)

Fields

§expr: Expr
§has_semi: bool
§

FnDecl

fn name(params) { body }

Fields

§name: String
§params: Vec<Param>
§body: Vec<Stmt>
§

For

for pattern in expr { body }

Fields

§pattern: Pattern
§iter: Expr
§body: Vec<Stmt>
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While

while cond { body }

Fields

§cond: Expr
§body: Vec<Stmt>
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WhileLet

while let pattern = expr { body }

Fields

§pattern: Pattern
§expr: Expr
§body: Vec<Stmt>
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Loop

loop { body }

Fields

§body: Vec<Stmt>
§

Break

break [expr];

Fields

§value: Option<Expr>
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Continue

continue;

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Use

use module::{name1, name2} or use module::*

Fields

§path: Vec<String>
§imports: UseImports
§

Return

return [expr];

Fields

§value: Option<Expr>
§

Assign

Assignment: lhs = rhs; or lhs += rhs;

Fields

§value: Expr

Trait Implementations§

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impl Clone for StmtKind

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fn clone(&self) -> StmtKind

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 Debug for StmtKind

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

Formats the value using the given formatter. Read more

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 = 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.