#[repr(transparent)]
pub struct Key(_);
Expand description
Key into contract storage.
Used to identify contract storage cells for read and write operations.
Can be compared to a raw pointer and features simple pointer arithmetic.
This is the most low-level primitive to identify contract storage cells.
Prefer using high-level types found in ink_storage
to operate on the contract
storage.
Tries to return the underlying bytes as slice.
This only returns Some
if the execution environment has little-endian
byte order.
Returns the underlying bytes of the key.
This only works and is supported if the target machine has little-endian
byte ordering. Use Key::try_as_bytes
as a general procedure instead.
Returns the bytes that are representing the key.
The resulting type after applying the +
operator.
The resulting type after applying the +
operator.
The resulting type after applying the +
operator.
The resulting type after applying the +
operator.
Performs copy-assignment from source
. Read more
Formats the value using the given formatter. Read more
Attempt to deserialise the value from input.
Attempt to skip the encoded value from input. Read more
Returns the fixed encoded size of the type. Read more
Returns the “default value” for a type. Read more
Formats the value using the given formatter. Read more
If possible give a hint of expected size of the encoding. Read more
Convert self to a slice and append it to the destination.
Convert self to an owned vector.
Convert self to a slice and then invoke the given closure with it.
Compares and returns the maximum of two values. Read more
Compares and returns the minimum of two values. Read more
Restrict a value to a certain interval. Read more
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
This method tests for !=
.
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
The type identifying for which type info is provided. Read more
Returns the static type identifier for Self
.
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
Decode Self
and consume all of the given input data. Read more
Decode Self
and consume all of the given input data. Read more
Decode Self
with the given maximum recursion depth. Read more
impl<T, U> Into<U> for T where
U: From<T>,
Return an encoding of Self
prepended by given slice.
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
Converts the given value to a String
. Read more
The type returned in the event of a conversion error.
The type returned in the event of a conversion error.