doc: Clean up primitive short descriptions

This makes the primitive descriptions on the front page read properly
as descriptions of types and not of the associated modules.

19 files changed, 20 insertions, 20 deletions

diff --git a/src/libcollections/slice.rs b/src/libcollections/slice.rs
index f5a27565ef7..ae6cda793d0 100644
--- a/src/libcollections/slice.rs
+++ b/src/libcollections/slice.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Utilities for slice manipulation
+//! A dynamically-sized view into a contiguous sequence, `[T]`.
 //!
 //! The `slice` module contains useful code to help work with slice values.
 //! Slices are a view into a block of memory represented as a pointer and a
diff --git a/src/libcollections/str.rs b/src/libcollections/str.rs
index cb6613998b4..8ab1464379f 100644
--- a/src/libcollections/str.rs
+++ b/src/libcollections/str.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Unicode string manipulation (the `str` type).
+//! Unicode string slices
 //!
 //! Rust's `str` type is one of the core primitive types of the language. `&str`
 //! is the borrowed string type. This type of string can only be created from
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 7b33a41f955..b47ced03fba 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -10,7 +10,7 @@
 
 // FIXME: talk about offset, copy_memory, copy_nonoverlapping_memory
 
-//! Operations on raw pointers, `*const T`, and `*mut T`.
+//! Raw, unsafe pointers, `*const T`, and `*mut T`
 //!
 //! Working with raw pointers in Rust is uncommon,
 //! typically limited to a few patterns.
diff --git a/src/libcore/tuple.rs b/src/libcore/tuple.rs
index ba6a7c4a5fe..9e97078c529 100644
--- a/src/libcore/tuple.rs
+++ b/src/libcore/tuple.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations on tuples
+//! A finite heterogeneous sequence, `(T, U, ..)`
 //!
 //! To access a single element of a tuple one can use the `.0`
 //! field access syntax.
diff --git a/src/librustc_unicode/char.rs b/src/librustc_unicode/char.rs
index 2596620d39d..fb9ff267762 100644
--- a/src/librustc_unicode/char.rs
+++ b/src/librustc_unicode/char.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Character manipulation (`char` type, Unicode Scalar Value)
+//! A Unicode scalar value
 //!
 //! This module provides the `CharExt` trait, as well as its
 //! implementation for the primitive `char` type, in order to allow
diff --git a/src/libstd/array.rs b/src/libstd/array.rs
index 0dfcc72e379..f6d133319c8 100644
--- a/src/libstd/array.rs
+++ b/src/libstd/array.rs
@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! A fixed-size array is denoted `[T; N]` for the element type `T` and
-//! the compile time constant size `N`. The size must be zero or positive.
+//! A fixed-size array, denoted `[T; N]`, for the element type, `T`, and
+//! the non-negative compile time constant size, `N`.
 //!
 //! Arrays values are created either with an explicit expression that lists
 //! each element: `[x, y, z]` or a repeat expression: `[x; N]`. The repeat
diff --git a/src/libstd/num/f32.rs b/src/libstd/num/f32.rs
index 10cdc0c5833..561b84ca21a 100644
--- a/src/libstd/num/f32.rs
+++ b/src/libstd/num/f32.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for 32-bits floats (`f32` type)
+//! The 32-bit floating point type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![allow(missing_docs)]
diff --git a/src/libstd/num/f64.rs b/src/libstd/num/f64.rs
index 41c0fcb9797..8a77566faeb 100644
--- a/src/libstd/num/f64.rs
+++ b/src/libstd/num/f64.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for 64-bits floats (`f64` type)
+//! The 32-bit floating point type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![allow(missing_docs)]
diff --git a/src/libstd/num/i16.rs b/src/libstd/num/i16.rs
index 498f19b9b83..04a45072d1a 100644
--- a/src/libstd/num/i16.rs
+++ b/src/libstd/num/i16.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 16-bits integers (`i16` type)
+//! The 16-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i16")]
diff --git a/src/libstd/num/i32.rs b/src/libstd/num/i32.rs
index aea1e92117b..09177c188de 100644
--- a/src/libstd/num/i32.rs
+++ b/src/libstd/num/i32.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 32-bits integers (`i32` type)
+//! The 32-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i32")]
diff --git a/src/libstd/num/i64.rs b/src/libstd/num/i64.rs
index 43794345fe7..84fccc9d25f 100644
--- a/src/libstd/num/i64.rs
+++ b/src/libstd/num/i64.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 64-bits integers (`i64` type)
+//! The 64-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i64")]
diff --git a/src/libstd/num/i8.rs b/src/libstd/num/i8.rs
index 1b03bf6f4f0..f0e84883847 100644
--- a/src/libstd/num/i8.rs
+++ b/src/libstd/num/i8.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 8-bits integers (`i8` type)
+//! The 8-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i8")]
diff --git a/src/libstd/num/isize.rs b/src/libstd/num/isize.rs
index aa89f858f6f..b602c7c704a 100644
--- a/src/libstd/num/isize.rs
+++ b/src/libstd/num/isize.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for pointer-sized signed integers (`isize` type)
+//! The pointer-sized signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "isize")]
diff --git a/src/libstd/num/u16.rs b/src/libstd/num/u16.rs
index 3fda77fb69c..17f25402200 100644
--- a/src/libstd/num/u16.rs
+++ b/src/libstd/num/u16.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 16-bits integers (`u16` type)
+//! The 16-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u16")]
diff --git a/src/libstd/num/u32.rs b/src/libstd/num/u32.rs
index 8610f0c0147..13be3677dac 100644
--- a/src/libstd/num/u32.rs
+++ b/src/libstd/num/u32.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 32-bits integers (`u32` type)
+//! The 32-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u32")]
diff --git a/src/libstd/num/u64.rs b/src/libstd/num/u64.rs
index 3587b069656..40b6e138307 100644
--- a/src/libstd/num/u64.rs
+++ b/src/libstd/num/u64.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 64-bits integer (`u64` type)
+//! The 64-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u64")]
diff --git a/src/libstd/num/u8.rs b/src/libstd/num/u8.rs
index 6a285e8299c..02fc807e1f2 100644
--- a/src/libstd/num/u8.rs
+++ b/src/libstd/num/u8.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 8-bits integers (`u8` type)
+//! The 8-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u8")]
diff --git a/src/libstd/num/usize.rs b/src/libstd/num/usize.rs
index b54d8ae96c5..548c0dbb8dc 100644
--- a/src/libstd/num/usize.rs
+++ b/src/libstd/num/usize.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for pointer-sized unsigned integers (`usize` type)
+//! The pointer-sized unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "usize")]
diff --git a/src/libstd/tuple.rs b/src/libstd/tuple.rs
index 08aa979cf63..1e4de19c874 100644
--- a/src/libstd/tuple.rs
+++ b/src/libstd/tuple.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations on tuples
+//! A finite heterogeneous sequence, `(T, U, ..)`
 //!
 //! To access the _N_-th element of a tuple one can use `N` itself
 //! as a field of the tuple.