Stabilize IsTerminal

closes: rust-lang/rust#98070

Author: joshtriplett

std/src/io/mod.rs

@@ -268,7 +268,7 @@ pub(crate) use self::stdio::attempt_print_to_stderr;
 #[unstable(feature = "internal_output_capture", issue = "none")]
 #[doc(no_inline, hidden)]
 pub use self::stdio::set_output_capture;
-#[unstable(feature = "is_terminal", issue = "98070")]
+#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
 pub use self::stdio::IsTerminal;
 #[unstable(feature = "print_internals", issue = "none")]
 pub use self::stdio::{_eprint, _print};

std/src/io/stdio.rs

@@ -1047,7 +1047,7 @@ pub(crate) fn attempt_print_to_stderr(args: fmt::Arguments<'_>) {
 }
 
 /// Trait to determine if a descriptor/handle refers to a terminal/tty.
-#[unstable(feature = "is_terminal", issue = "98070")]
+#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
 pub trait IsTerminal: crate::sealed::Sealed {
     /// Returns `true` if the descriptor/handle refers to a terminal/tty.
     ///
@@ -1063,6 +1063,7 @@ pub trait IsTerminal: crate::sealed::Sealed {
     /// Note that this [may change in the future][changes].
     ///
     /// [changes]: io#platform-specific-behavior
+    #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
     fn is_terminal(&self) -> bool;
 }
 
@@ -1071,7 +1072,7 @@ macro_rules! impl_is_terminal {
         #[unstable(feature = "sealed", issue = "none")]
         impl crate::sealed::Sealed for $t {}
 
-        #[unstable(feature = "is_terminal", issue = "98070")]
+        #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
         impl IsTerminal for $t {
             #[inline]
             fn is_terminal(&self) -> bool {

std/src/lib.rs

@@ -254,7 +254,6 @@
 #![feature(exhaustive_patterns)]
 #![feature(if_let_guard)]
 #![feature(intra_doc_pointers)]
-#![feature(is_terminal)]
 #![feature(lang_items)]
 #![feature(let_chains)]
 #![feature(linkage)]

std/src/os/fd/owned.rs

@@ -201,7 +201,7 @@ macro_rules! impl_is_terminal {
         #[unstable(feature = "sealed", issue = "none")]
         impl crate::sealed::Sealed for $t {}
 
-        #[unstable(feature = "is_terminal", issue = "98070")]
+        #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
         impl crate::io::IsTerminal for $t {
             #[inline]
             fn is_terminal(&self) -> bool {

std/src/os/windows/io/handle.rs

@@ -389,7 +389,7 @@ macro_rules! impl_is_terminal {
         #[unstable(feature = "sealed", issue = "none")]
         impl crate::sealed::Sealed for $t {}
 
-        #[unstable(feature = "is_terminal", issue = "98070")]
+        #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")]
         impl crate::io::IsTerminal for $t {
             #[inline]
             fn is_terminal(&self) -> bool {

test/src/lib.rs

@@ -17,7 +17,6 @@
 #![unstable(feature = "test", issue = "50297")]
 #![doc(test(attr(deny(warnings))))]
 #![feature(internal_output_capture)]
-#![feature(is_terminal)]
 #![feature(staged_api)]
 #![feature(process_exitcode_internals)]
 #![feature(panic_can_unwind)]