split string utils into unit

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/utils/string.rs

@@ -0,0 +1,22 @@
+use rand::prelude::*;
+
+use crate::Result;
+
+pub fn random_string(length: usize) -> String {
+	thread_rng()
+		.sample_iter(&rand::distributions::Alphanumeric)
+		.take(length)
+		.map(char::from)
+		.collect()
+}
+
+/// Parses the bytes into a string.
+#[inline]
+pub fn string_from_bytes(bytes: &[u8]) -> Result<String> {
+	let str: &str = str_from_bytes(bytes)?;
+	Ok(str.to_owned())
+}
+
+/// Parses the bytes into a string.
+#[inline]
+pub fn str_from_bytes(bytes: &[u8]) -> Result<&str> { Ok(std::str::from_utf8(bytes)?) }