Only for for-in / for-of loops. This is syntactically valid.
Returns true
if self
is of variant Ident
.
Unwraps the value, yielding the content of Ident
.
Panics if the value is not Ident
, with a panic message including the content of self
.
Returns Some
if self
is of variant Ident
, and None
otherwise.
Returns true
if self
is of variant Array
.
Unwraps the value, yielding the content of Array
.
Panics if the value is not Array
, with a panic message including the content of self
.
Returns Some
if self
is of variant Array
, and None
otherwise.
Returns true
if self
is of variant Rest
.
Unwraps the value, yielding the content of Rest
.
Panics if the value is not Rest
, with a panic message including the content of self
.
Returns Some
if self
is of variant Rest
, and None
otherwise.
Returns true
if self
is of variant Object
.
Unwraps the value, yielding the content of Object
.
Panics if the value is not Object
, with a panic message including the content of self
.
Returns Some
if self
is of variant Object
, and None
otherwise.
Returns true
if self
is of variant Assign
.
Unwraps the value, yielding the content of Assign
.
Panics if the value is not Assign
, with a panic message including the content of self
.
Returns Some
if self
is of variant Assign
, and None
otherwise.
Returns true
if self
is of variant Invalid
.
Unwraps the value, yielding the content of Invalid
.
Panics if the value is not Invalid
, with a panic message including the content of self
.
Returns Some
if self
is of variant Invalid
, and None
otherwise.
Returns true
if self
is of variant Expr
.
Unwraps the value, yielding the content of Expr
.
Panics if the value is not Expr
, with a panic message including the content of self
.
Returns Some
if self
is of variant Expr
, and None
otherwise.
Performs copy-assignment from source
. Read more
Formats the value using the given formatter. Read more
Deserialize this value from the given Serde deserializer. Read more
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
This method tests for !=
.
Serialize this value into the given Serde serializer. Read more
impl<T> Any for T where
T: 'static + ?Sized,
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
impl<T, U> Into<U> for T where
U: From<T>,
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
The type returned in the event of a conversion error.