007651cd26
Adds documentation for various things that I understand. Adds #[allow(missing_doc)] for lots of things that I don't understand.
22 lines
831 B
Rust
22 lines
831 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
//! The trait for types that can be created from strings
|
|
|
|
use option::Option;
|
|
|
|
/// A trait to abstract the idea of creating a new instance of a type from a
|
|
/// string.
|
|
pub trait FromStr {
|
|
/// Parses a string `s` to return an optional value of this type. If the
|
|
/// string is ill-formatted, the None is returned.
|
|
fn from_str(s: &str) -> Option<Self>;
|
|
}
|