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Stmt

Enum Stmt 

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pub enum Stmt {
    Expr(Expr),
    Let {
        name: String,
        init: Option<Expr>,
        mutable: bool,
    },
    Block(Vec<Stmt>),
    If {
        test: Expr,
        consequent: Box<Stmt>,
        alternate: Option<Box<Stmt>>,
    },
    While {
        test: Expr,
        body: Box<Stmt>,
    },
    For {
        init: Option<Box<Stmt>>,
        test: Option<Expr>,
        update: Option<Expr>,
        body: Box<Stmt>,
    },
    ForIn {
        variable: String,
        iterable: Expr,
        body: Box<Stmt>,
    },
    Return(Option<Expr>),
    Break,
    Continue,
    TryCatch {
        body: Box<Stmt>,
        catch_param: Option<String>,
        catch_body: Option<Box<Stmt>>,
        finally_body: Option<Box<Stmt>>,
    },
    Function(Function),
}
Expand description

A statement (doesn’t produce a value directly).

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Expr(Expr)

Expression statement: expr;.

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Let

Variable declaration: let name = init or const name = init.

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§name: String
§init: Option<Expr>
§mutable: bool
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Block(Vec<Stmt>)

Block: { stmts... }.

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If

If statement: if (test) consequent else alternate.

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§test: Expr
§consequent: Box<Stmt>
§alternate: Option<Box<Stmt>>
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While

While loop: while (test) body.

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§test: Expr
§body: Box<Stmt>
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For

For loop: for (init; test; update) body.

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§init: Option<Box<Stmt>>
§test: Option<Expr>
§update: Option<Expr>
§body: Box<Stmt>
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ForIn

For-in/for-of loop: for (variable in/of iterable) body.

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§variable: String
§iterable: Expr
§body: Box<Stmt>
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Return(Option<Expr>)

Return statement: return expr.

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Break

Break statement.

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Continue

Continue statement.

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TryCatch

Try/catch/finally statement.

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§body: Box<Stmt>
§catch_param: Option<String>
§catch_body: Option<Box<Stmt>>
§finally_body: Option<Box<Stmt>>
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Function(Function)

Function declaration.

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impl Stmt

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pub fn expr(e: Expr) -> Self

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pub fn let_decl(name: impl Into<String>, init: Option<Expr>) -> Self

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pub fn const_decl(name: impl Into<String>, init: Expr) -> Self

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pub fn block(stmts: Vec<Stmt>) -> Self

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pub fn if_stmt(test: Expr, consequent: Stmt, alternate: Option<Stmt>) -> Self

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pub fn while_loop(test: Expr, body: Stmt) -> Self

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pub fn for_loop( init: Option<Stmt>, test: Option<Expr>, update: Option<Expr>, body: Stmt, ) -> Self

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pub fn for_in(variable: impl Into<String>, iterable: Expr, body: Stmt) -> Self

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pub fn return_stmt(expr: Option<Expr>) -> Self

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pub fn break_stmt() -> Self

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pub fn continue_stmt() -> Self

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pub fn try_catch( body: Stmt, catch_param: Option<String>, catch_body: Option<Stmt>, finally_body: Option<Stmt>, ) -> Self

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pub fn function(f: Function) -> Self

Trait Implementations§

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impl Clone for Stmt

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fn clone(&self) -> Stmt

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 Stmt

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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<'de> Deserialize<'de> for Stmt

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for Stmt

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fn eq(&self, other: &Stmt) -> 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 Serialize for Stmt

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructureEq for Stmt

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

Compare two values for structural equality.
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impl StructuralPartialEq for Stmt

Auto Trait Implementations§

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impl Freeze for Stmt

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impl RefUnwindSafe for Stmt

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impl Send for Stmt

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impl Sync for Stmt

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impl Unpin for Stmt

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impl UnwindSafe for Stmt

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.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,