Implemented FromStr for CString and TryFrom<CString> for String

Author: YohDeadfall

library/alloc/src/ffi/c_str.rs

@@ -7,7 +7,7 @@ use core::borrow::Borrow;
 use core::ffi::{c_char,CStr};
 use core::num::NonZero;
 use core::slice::memchr;
-use core::str::{self,Utf8Error};
+use core::str::{self,FromStr,Utf8Error};
 use core::{fmt, mem, ops, ptr, slice};
 
 usecrate::borrow::{Cow,ToOwned};
@@ -815,6 +815,30 @@ impl From<Vec<NonZero<u8>>> for CString {
 }
 }
 
+implFromStrforCString{
+typeErr = NulError;
+
+/// Converts a string `s` into a [`CString`].
+///
+/// This method is equivalent to [`CString::new`].
+#[inline]
+fnfrom_str(s:&str) -> Result<Self,Self::Err>{
+Self::new(s)
+}
+}
+
+implTryFrom<CString>forString{
+typeError = IntoStringError;
+
+/// Converts a [`CString`] into a [`String`] if it contains valid UTF-8 data.
+///
+/// This method is equivalent to [`CString::into_string`].
+#[inline]
+fntry_from(value:CString) -> Result<Self,Self::Error>{
+ value.into_string()
+}
+}
+
 #[cfg(not(test))]
 #[stable(feature = "more_box_slice_clone", since = "1.29.0")]
 implCloneforBox<CStr>{