all: replace []byte with []u8

vlib/hash/crc32/crc32.v

@@ -37,7 +37,7 @@ fn (mut c Crc32) generate_table(poly int) {
 	}
 }
 
-fn (c &Crc32) sum32(b []byte) u32 {
+fn (c &Crc32) sum32(b []u8) u32 {
 	mut crc := ~u32(0)
 	for i in 0 .. b.len {
 		crc = c.table[u8(crc) ^ b[i]] ^ (crc >> 8)
@@ -45,7 +45,7 @@ fn (c &Crc32) sum32(b []byte) u32 {
 	return ~crc
 }
 
-pub fn (c &Crc32) checksum(b []byte) u32 {
+pub fn (c &Crc32) checksum(b []u8) u32 {
 	return c.sum32(b)
 }
 
@@ -57,7 +57,7 @@ pub fn new(poly int) &Crc32 {
 }
 
 // calculate crc32 using ieee
-pub fn sum(b []byte) u32 {
+pub fn sum(b []u8) u32 {
 	c := new(int(crc32.ieee))
 	return c.sum32(b)
 }

vlib/hash/fnv1a/fnv1a.v

@@ -23,7 +23,7 @@ pub fn sum32_string(data string) u32 {
 // sum32 returns a fnv1a hash of the memory block, described by the dynamic
 // byte array `data`.
 [direct_array_access; inline]
-pub fn sum32(data []byte) u32 {
+pub fn sum32(data []u8) u32 {
 	mut hash := fnv1a.fnv32_offset_basis
 	for i in 0 .. data.len {
 		hash = (hash ^ u32(data[i])) * fnv1a.fnv32_prime
@@ -67,7 +67,7 @@ pub fn sum64_string(data string) u64 {
 // sum64 returns a fnv1a hash of the memory block, described by the dynamic
 // byte array `data`.
 [direct_array_access; inline]
-pub fn sum64(data []byte) u64 {
+pub fn sum64(data []u8) u64 {
 	mut hash := fnv1a.fnv64_offset_basis
 	for i in 0 .. data.len {
 		hash = (hash ^ u64(data[i])) * fnv1a.fnv64_prime

vlib/hash/hash.v

@@ -6,7 +6,7 @@ module hash
 interface Hasher {
 	// Sum appends the current hash to b and returns the resulting array.
 	// It does not change the underlying hash state.
-	sum(b []byte) []byte
+	sum(b []u8) []u8
 	size() int
 	block_size() int
 }

vlib/hash/wyhash.c.v

@@ -22,6 +22,6 @@ pub fn sum64_string(key string, seed u64) u64 {
 }
 
 [inline]
-pub fn sum64(key []byte, seed u64) u64 {
+pub fn sum64(key []u8, seed u64) u64 {
 	return wyhash_c(&u8(key.data), u64(key.len), seed)
 }