Codec combinator for XDR fixed-length array (no length prefix, exactly N elements).
encode accepts a readonly array so that FixedArray<T, N> values — whose
exact length is part of their type, and which are therefore readonly — can be
encoded directly. decode still produces a mutable array.
Codec combinator for XDR fixed-length array (no length prefix, exactly N elements).
encodeaccepts a readonly array so thatFixedArray<T, N>values — whose exact length is part of their type, and which are therefore readonly — can be encoded directly.decodestill produces a mutable array.