Struct swim_structure::item::Field

#[repr(C)]
pub struct Field<'a> { /* fields omitted */ }

Item variant representing a key-value pair with a Value-typed key and value.

Methods

impl<'a> Field<'a>

pub fn get_key(&self) -> &Value<'a>

Returns a reference to this Field's key.

pub fn get_val(&self) -> &Value<'a>

Returns a reference to this Field's value.

pub fn get_val_mut(&mut self) -> &mut Value<'a>

Returns a mutable reference to this Field's value.

pub fn get_key_val(&self) -> (&Value<'a>, &Value<'a>)

Returns a pair of references to this Field's key and value.

pub fn get_key_val_mut(&mut self) -> (&Value<'a>, &mut Value<'a>)

Returns a pair of references to this Field's key and mutable value.

pub fn into_key(self) -> Value<'a>

Returns this Field's key, dropping its value.

pub fn into_val(self) -> Value<'a>

Returns this Field's value, dropping its key.

pub fn into_key_val(self) -> (Value<'a>, Value<'a>)

Returns this Field's key and value as a pair.

pub fn is_attr(&self) -> bool

Returns true if this Field is an Attr.

pub fn is_slot(&self) -> bool

Returns true if this Field is a Slot.

pub fn as_attr(&self) -> &Attr<'a>

Downcasts this Field reference to an Attr reference.

Panics

Panics if this Field is not, in fact, an Attr.

pub fn as_mut_attr(&mut self) -> &mut Attr<'a>

Downcasts this Field reference to a mutable Attr reference.

Panics

Panics if this Field is not, in fact, an Attr.

pub fn as_slot(&self) -> &Slot<'a>

Downcasts this Field reference to a Slot reference.

Panics

Panics if this Field is not, in fact, a Slot.

pub fn as_mut_slot(&mut self) -> &mut Slot<'a>

Downcasts this Field reference to a mutable Slot reference.

Panics

Panics if this Field is not, in fact, a Slot.

pub unsafe fn as_attr_unchecked(&self) -> &Attr<'a>

Reinterprets this Field reference as an Attr reference.

Safety

Does not verify that this Field is, in fact, an Attr.

pub unsafe fn as_mut_attr_unchecked(&mut self) -> &mut Attr<'a>

Reinterprets this Field reference as a mutable Attr reference.

Safety

Does not verify that this Field is, in fact, an Attr.

pub unsafe fn as_slot_unchecked(&self) -> &Slot<'a>

Reinterprets this Field reference as a Slot reference.

Safety

Does not verify that this Field is, in fact, a Slot.

pub unsafe fn as_mut_slot_unchecked(&mut self) -> &mut Slot<'a>

Reinterprets this Field reference as a mutable Slot reference.

Safety

Does not verify that this Field is, in fact, a Slot.

pub fn as_item(&self) -> &Item<'a>

Upcasts this Field reference to an Item reference.

pub fn as_mut_item(&mut self) -> &mut Item<'a>

Upcasts this Field reference to a mutable Item reference.

pub fn into_attr(self) -> Attr<'a>

Downcasts this Field to an Attr.

Panics

Panics if this Field is not, in fact, an Attr.

pub fn into_slot(self) -> Slot<'a>

Downcasts this Field to a Slot.

Panics

Panics if this Field is not, in fact, a Slot.

pub unsafe fn into_attr_unchecked(self) -> Attr<'a>

Reinterprets this Field as an Attr.

Safety

Does not verify that this Field is, in fact, an Attr.

pub unsafe fn into_slot_unchecked(self) -> Slot<'a>

Reinterprets this Field as a Slot.

Safety

Does not verify that this Field is, in fact, a Slot.

pub fn into_item(self) -> Item<'a>

Upcasts this Field to an Item.

pub fn cast_as_attr(&self) -> Option<&Attr<'a>>

Downcasts this Field reference to a typechecked Attr reference.

pub fn cast_as_mut_attr(&mut self) -> Option<&mut Attr<'a>>

Downcasts this Field reference to a typechecked, mutable Attr reference.

pub fn cast_as_slot(&self) -> Option<&Slot<'a>>

Downcasts this Field reference to a typechecked Slot reference.

pub fn cast_as_mut_slot(&mut self) -> Option<&mut Slot<'a>>

Downcasts this Field reference to a typechecked, mutable Slot reference.

pub fn cast_into_attr(self) -> Option<Attr<'a>>

Downcasts this Field to a typechecked Attr.

pub fn cast_into_slot(self) -> Option<Slot<'a>>

Downcasts this Field to a typechecked Slot.

Trait Implementations

impl<'a> PartialEq<Field<'a>> for Field<'a>

fn eq(&self, _that: &Field<'a>) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]

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

This method tests for !=.

impl<'a> Eq for Field<'a>

impl<'a> From<Field<'a>> for Item<'a>

fn from(field: Field<'a>) -> Item<'a>

Performs the conversion.

impl<'a> From<Attr<'a>> for Field<'a>

fn from(attr: Attr<'a>) -> Field<'a>

Performs the conversion.

impl<'a> From<Slot<'a>> for Field<'a>

fn from(slot: Slot<'a>) -> Field<'a>

Performs the conversion.

impl<'a> Debug for Field<'a>

fn fmt(&self, _f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'a> Hash for Field<'a>

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

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl<'a> AsMut<Item<'a>> for Field<'a>

fn as_mut(&mut self) -> &mut Item<'a>

Performs the conversion.

impl<'a> AsMut<Field<'a>> for Attr<'a>

fn as_mut(&mut self) -> &mut Field<'a>

Performs the conversion.

impl<'a> AsMut<Field<'a>> for Slot<'a>

fn as_mut(&mut self) -> &mut Field<'a>

Performs the conversion.

impl<'a> AsRef<Item<'a>> for Field<'a>

fn as_ref(&self) -> &Item<'a>

Performs the conversion.

impl<'a> AsRef<Field<'a>> for Attr<'a>

fn as_ref(&self) -> &Field<'a>

Performs the conversion.

impl<'a> AsRef<Field<'a>> for Slot<'a>

fn as_ref(&self) -> &Field<'a>

Performs the conversion.