Rename remaining Failures to Panic

4 files changed, 14 insertions, 11 deletions

diff --git a/src/libstd/ascii.rs b/src/libstd/ascii.rs
index 923349b1bf7..933794cb5a4 100644
--- a/src/libstd/ascii.rs
+++ b/src/libstd/ascii.rs
@@ -216,7 +216,10 @@ pub trait OwnedAsciiCast {
     /// Check if convertible to ascii
     fn is_ascii(&self) -> bool;
 
-    /// Take ownership and cast to an ascii vector. Fail on non-ASCII input.
+    /// Take ownership and cast to an ascii vector.
+    /// # Panics
+    ///
+    /// Panic on non-ASCII input.
     #[inline]
     fn into_ascii(self) -> Vec<Ascii> {
         assert!(self.is_ascii());
diff --git a/src/libstd/c_vec.rs b/src/libstd/c_vec.rs
index 771184df53d..1267d7411cc 100644
--- a/src/libstd/c_vec.rs
+++ b/src/libstd/c_vec.rs
@@ -64,7 +64,7 @@ impl<T> Drop for CVec<T> {
 impl<T> CVec<T> {
     /// Create a `CVec` from a raw pointer to a buffer with a given length.
     ///
-    /// Fails if the given pointer is null. The returned vector will not attempt
+    /// Panics if the given pointer is null. The returned vector will not attempt
     /// to deallocate the vector when dropped.
     ///
     /// # Arguments
@@ -83,7 +83,7 @@ impl<T> CVec<T> {
     /// Create a `CVec` from a foreign buffer, with a given length,
     /// and a function to run upon destruction.
     ///
-    /// Fails if the given pointer is null.
+    /// Panics if the given pointer is null.
     ///
     /// # Arguments
     ///
diff --git a/src/libstd/sys/windows/tty.rs b/src/libstd/sys/windows/tty.rs
index 7d001e6394c..0e7b06cbb94 100644
--- a/src/libstd/sys/windows/tty.rs
+++ b/src/libstd/sys/windows/tty.rs
@@ -14,8 +14,8 @@
 //!
 //! This module contains the implementation of a Windows specific console TTY.
 //! Also converts between UTF-16 and UTF-8. Windows has very poor support for
-//! UTF-8 and some functions will fail. In particular ReadFile and ReadConsole
-//! will fail when the codepage is set to UTF-8 and a Unicode character is
+//! UTF-8 and some functions will panic. In particular ReadFile and ReadConsole
+//! will panic when the codepage is set to UTF-8 and a Unicode character is
 //! entered.
 //!
 //! FIXME
@@ -48,7 +48,7 @@ fn invalid_encoding() -> IoError {
 
 pub fn is_tty(fd: c_int) -> bool {
     let mut out: DWORD = 0;
-    // If this function doesn't fail then fd is a TTY
+    // If this function doesn't panic then fd is a TTY
     match unsafe { GetConsoleMode(get_osfhandle(fd) as HANDLE,
                                   &mut out as LPDWORD) } {
         0 => false,
diff --git a/src/libstd/time/duration.rs b/src/libstd/time/duration.rs
index 39ca3128ccb..ec2d62ff85c 100644
--- a/src/libstd/time/duration.rs
+++ b/src/libstd/time/duration.rs
@@ -65,7 +65,7 @@ pub const MAX: Duration = Duration {
 impl Duration {
     /// Makes a new `Duration` with given number of weeks.
     /// Equivalent to `Duration::seconds(weeks * 7 * 24 * 60 * 60), with overflow checks.
-    /// Fails when the duration is out of bounds.
+    /// Panics when the duration is out of bounds.
     #[inline]
     pub fn weeks(weeks: i64) -> Duration {
         let secs = weeks.checked_mul(SECS_PER_WEEK).expect("Duration::weeks out of bounds");
@@ -74,7 +74,7 @@ impl Duration {
 
     /// Makes a new `Duration` with given number of days.
     /// Equivalent to `Duration::seconds(days * 24 * 60 * 60)` with overflow checks.
-    /// Fails when the duration is out of bounds.
+    /// Panics when the duration is out of bounds.
     #[inline]
     pub fn days(days: i64) -> Duration {
         let secs = days.checked_mul(SECS_PER_DAY).expect("Duration::days out of bounds");
@@ -83,7 +83,7 @@ impl Duration {
 
     /// Makes a new `Duration` with given number of hours.
     /// Equivalent to `Duration::seconds(hours * 60 * 60)` with overflow checks.
-    /// Fails when the duration is out of bounds.
+    /// Panics when the duration is out of bounds.
     #[inline]
     pub fn hours(hours: i64) -> Duration {
         let secs = hours.checked_mul(SECS_PER_HOUR).expect("Duration::hours ouf of bounds");
@@ -92,7 +92,7 @@ impl Duration {
 
     /// Makes a new `Duration` with given number of minutes.
     /// Equivalent to `Duration::seconds(minutes * 60)` with overflow checks.
-    /// Fails when the duration is out of bounds.
+    /// Panics when the duration is out of bounds.
     #[inline]
     pub fn minutes(minutes: i64) -> Duration {
         let secs = minutes.checked_mul(SECS_PER_MINUTE).expect("Duration::minutes out of bounds");
@@ -100,7 +100,7 @@ impl Duration {
     }
 
     /// Makes a new `Duration` with given number of seconds.
-    /// Fails when the duration is more than `i64::MAX` milliseconds
+    /// Panics when the duration is more than `i64::MAX` milliseconds
     /// or less than `i64::MIN` milliseconds.
     #[inline]
     pub fn seconds(seconds: i64) -> Duration {