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Fix some std/extra language in the tutorial

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Erick Tryzelaar 2013-05-23 17:58:30 -07:00
parent 21c3cf02f0
commit cc4fabcb43
1 changed files with 5 additions and 6 deletions
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doc/tutorial.md
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@ -1480,7 +1480,6 @@ This code creates a closure that adds a given string to its argument,
returns it from a function, and then calls it: returns it from a function, and then calls it:
~~~~ ~~~~
# extern mod std;
fn mk_appender(suffix: ~str) -> @fn(~str) -> ~str { fn mk_appender(suffix: ~str) -> @fn(~str) -> ~str {
// The compiler knows that we intend this closure to be of type @fn // The compiler knows that we intend this closure to be of type @fn
return |s| s + suffix; return |s| s + suffix;
@ -2292,7 +2291,7 @@ let nonsense = mycircle.radius() * mycircle.area();
## Deriving implementations for traits ## Deriving implementations for traits
A small number of traits in `std` and `std` can have implementations A small number of traits in `std` and `extra` can have implementations
that can be automatically derived. These instances are specified by that can be automatically derived. These instances are specified by
placing the `deriving` attribute on a data type declaration. For placing the `deriving` attribute on a data type declaration. For
example, the following will mean that `Circle` has an implementation example, the following will mean that `Circle` has an implementation
@ -2541,9 +2540,9 @@ as well as an inscrutable string of alphanumerics. These are both
part of Rust's library versioning scheme. The alphanumerics are part of Rust's library versioning scheme. The alphanumerics are
a hash representing the crate metadata. a hash representing the crate metadata.
## The std library ## The standard library
The Rust std library provides runtime features required by the language, The Rust standard library provides runtime features required by the language,
including the task scheduler and memory allocators, as well as library including the task scheduler and memory allocators, as well as library
support for Rust built-in types, platform abstractions, and other commonly support for Rust built-in types, platform abstractions, and other commonly
used features. used features.
@ -2559,7 +2558,7 @@ I/O abstractions ([`io`]), [containers] like [`hashmap`],
common traits ([`kinds`], [`ops`], [`cmp`], [`num`], common traits ([`kinds`], [`ops`], [`cmp`], [`num`],
[`to_str`], [`clone`]), and complete bindings to the C standard library ([`libc`]). [`to_str`], [`clone`]), and complete bindings to the C standard library ([`libc`]).
### Core injection and the Rust prelude ### Standard Library injection and the Rust prelude
`std` is imported at the topmost level of every crate by default, as `std` is imported at the topmost level of every crate by default, as
if the first line of each crate was if the first line of each crate was
@ -2571,7 +2570,7 @@ with the `std::` path prefix, as in `use std::vec`, `use std::task::spawn`,
etc. etc.
Additionally, `std` contains a `prelude` module that reexports many of the Additionally, `std` contains a `prelude` module that reexports many of the
most common std modules, types and traits. The contents of the prelude are most common standard modules, types and traits. The contents of the prelude are
imported into every *module* by default. Implicitly, all modules behave as if imported into every *module* by default. Implicitly, all modules behave as if
they contained the following prologue: they contained the following prologue: