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yaml --- r: 83332 b: refs/heads/try c: 8c45423 h: refs/heads/master v: v3
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[refs]

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refs/heads/master: 0e4d1fc8cae42e15e00f71d9f439b01bb25a86ae
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refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
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refs/heads/snap-stage3: 6c08cc2db4f98e9f07ae7d50338396c4123c2f0a
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refs/heads/try: a5cf9fdb61432ea0182dc250305332f3a2d6f214
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refs/heads/try: 8c45423a8a2d5edad60583525b02fe2f2911122b
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refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
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refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
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refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libextra/semver.rs

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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Semantic version parsing and comparison.
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//!
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//! Semantic versioning (see http://semver.org/) is a set of rules for
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//! assigning version numbers intended to convey meaning about what has
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//! changed, and how much. A version number has five parts:
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//!
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//! * Major number, updated for incompatible API changes
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//! * Minor number, updated for backwards-compatible API additions
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//! * Patch number, updated for backwards-compatible bugfixes
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//! * Pre-release information (optional), preceded by a hyphen (`-`)
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//! * Build metadata (optional), preceded by a plus sign (`+`)
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//!
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//! The three mandatory components are required to be decimal numbers. The
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//! pre-release information and build metadata are required to be a
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//! period-separated list of identifiers containing only alphanumeric
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//! characters and hyphens.
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//!
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//! An example version number with all five components is
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//! `0.8.1-rc.3.0+20130922.linux`.
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//! Semver parsing and logic
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#[allow(missing_doc)];
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use std::char;
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use std::cmp;
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use std::option::{Option, Some, None};
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use std::to_str::ToStr;
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/// An identifier in the pre-release or build metadata. If the identifier can
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/// be parsed as a decimal value, it will be represented with `Numeric`.
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#[deriving(Clone, Eq)]
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pub enum Identifier {
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Numeric(uint),
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}
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/// Represents a version number conforming to the semantic versioning scheme.
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#[deriving(Clone, Eq)]
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pub struct Version {
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/// The major version, to be incremented on incompatible changes.
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major: uint,
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/// The minor version, to be incremented when functionality is added in a
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/// backwards-compatible manner.
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minor: uint,
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/// The patch version, to be incremented when backwards-compatible bug
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/// fixes are made.
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patch: uint,
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/// The pre-release version identifier, if one exists.
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pre: ~[Identifier],
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/// The build metadata, ignored when determining version precedence.
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build: ~[Identifier],
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}
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}
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/// Parse a string into a semver object.
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pub fn parse(s: &str) -> Option<Version> {
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if !s.is_ascii() {
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return None;
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# If this file is modified, then llvm will be forcibly cleaned and then rebuilt.
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# The actual contents of this file do not matter, but to trigger a change on the
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# build bots then the contents should be changed so git updates the mtime.
4-
2013-09-11
4+
2013-09-22

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