1 2 3 4 5 6 7 8 9 10 11
--- name: "bytevector/set!" module: "bytevectors" section: "Access & Mutation" --- Set the byte at a given index. Uses copy-on-write — the original bytevector is unchanged. ```sema (bytevector/set! #u8(1 2 3) 0 9) ; => #u8(9 2 3) ```