Added FNV functionalities

src/fnv.rs

@@ -0,0 +1,15 @@
+#[inline(always)]
+pub fn fnv_hash(prime: u32, initial_value: u32, data: &[u16]) -> u32 {
+    let mut hash: u32 = initial_value;
+    if data.len() == 0 {
+        return hash;
+    }
+    for element in data {
+        hash = (*element as u32 ^ hash).wrapping_mul(prime);
+    }
+    hash
+}
+
+pub fn ue_gas_fnv_hash(data: &[u16]) -> u32 {
+    fnv_hash(0x1000193, 0x0, data)
+}

src/lib.rs

@@ -8,3 +8,4 @@ pub trait Add<T = Self> {
 
 pub mod t_array;
 pub mod f_string;
+pub mod fnv;