Enum Closure 

pub enum Closure {
    Expr {
        args: Vec<(Param, Kind)>,
        returns: Option<Kind>,
        body: Expr,
        captures: Variables,
    },
    Builtin(Arc<dyn BuiltinClosureObj>),
}

Variants

Expr

Fields

args: Vec<(Param, Kind)>

returns: Option<Kind>

body: Expr

captures: Variables

Builtin(Arc<dyn BuiltinClosureObj>)

Implementations

impl Closure

pub fn into_expr(self) -> Expr

Trait Implementations

impl<'de, F> BorrowDecode<'de, F> for Closure

fn borrow_decode(_: &mut BorrowReader<'de>) -> Result<Self, DecodeError>

impl Cast for Box<Closure>

fn can_cast(v: &Value) -> bool

Returns true if calling cast on the value will succeed.

fn cast(v: Value) -> Result<Self, CastError>

Cast a value to the self type.

impl Clone for Closure

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Coerce for Box<Closure>

fn can_coerce(v: &Value) -> bool

Returns if calling coerce on the value will succeed or not.

fn coerce(v: Value) -> Result<Self, CoerceError>

Coerce a value.

impl Debug for Closure

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

Formats the value using the given formatter.

impl DeserializeRevisioned for Closure

fn deserialize_revisioned<R: Read>(_reader: &mut R) -> Result<Self, Error>

Deserializes a new instance of the struct from the specified reader.

impl<F> Encode<F> for Closure

fn encode<W: Write>(&self, _: &mut Writer<W>) -> Result<(), EncodeError>

impl Eq for Closure

impl From<Box<Closure>> for Value

fn from(v: Box<Closure>) -> Self

Converts to this type from the input type.

impl From<Closure> for Value

fn from(v: Closure) -> Self

Converts to this type from the input type.

impl HasKind for Closure

fn kind() -> Kind

impl Hash for Closure

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Closure

fn cmp(&self, _other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for Closure

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Closure

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

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Revisioned for Closure

fn revision() -> u16

Returns the current revision of this type.

fn type_id() -> TypeId

where Self: 'static,

Returns the type id of this type.

impl SerializeRevisioned for Closure

fn serialize_revisioned<W: Write>(&self, _writer: &mut W) -> Result<(), Error>

Serializes the struct using the specified writer.

impl SkipRevisioned for Closure

fn skip_revisioned<R: Read>(_reader: &mut R) -> Result<(), Error>

fn skip_revisioned_slice(r: &mut SliceReader<'_>) -> Result<(), Error>

Consume through bytes backed by SliceReader without allocating a buffer for bulk segments.

impl ToSql for Closure

fn fmt_sql(&self, f: &mut String, sql_fmt: SqlFormat)

Format the type to a SQL string.

fn to_sql(&self) -> String

Convert the type to a SQL string.

fn to_sql_pretty(&self) -> String

Convert the type to a pretty-printed SQL string with indentation.

impl WalkRevisioned for Closure

type Walker<'r, R: BorrowedReader + 'r> = LeafWalker<'r, Closure, R>

Walker produced by walk_revisioned.

fn walk_revisioned<'r, R: BorrowedReader>( reader: &'r mut R, ) -> Result<Self::Walker<'r, R>, Error>

Read the type’s revision-level prefix and return a walker positioned at the start of the body.