abunchtell/gopkg
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revisions based on @niemeyer's review

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This commit is contained in:
Nathan Youngman 2014-09-24 17:44:47 -06:00
parent b1f2f8e0fd
commit 2ed03dbf05
2 changed files with 9 additions and 5 deletions
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2
README.md
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@ -1,3 +1,3 @@
# gopkg.in Stable APIs for the Go language # gopkg.in Stable APIs for the Go language
See [http://labix.org/gopkg.in](http://labix.org/gopkg.in). See [http://gopkg.in](http://gopkg.in).

12
version.go
View File

@ -4,7 +4,7 @@ import (
"fmt" "fmt"
) )
// Version is a semantic version number (SemVer). // Version represents a version number.
// An element that is not present is represented as -1. // An element that is not present is represented as -1.
type Version struct { type Version struct {
Major, Minor, Patch int Major, Minor, Patch int
@ -23,7 +23,7 @@ func (v Version) String() string {
return fmt.Sprintf("v%d.%d.%d", v.Major, v.Minor, v.Patch) return fmt.Sprintf("v%d.%d.%d", v.Major, v.Minor, v.Patch)
} }
// Less returns true if v is less than other. // Less returns whether v is less than other.
func (v Version) Less(other Version) bool { func (v Version) Less(other Version) bool {
if v.Major != other.Major { if v.Major != other.Major {
return v.Major < other.Major return v.Major < other.Major
@ -34,7 +34,12 @@ func (v Version) Less(other Version) bool {
return v.Patch < other.Patch return v.Patch < other.Patch
} }
// Contains returns true if other >= v yet below the next major version. // Contains returns whether version v contains version other.
// Version v is defined to contain version other when they both have the same Major
// version and v.Minor and v.Patch are either undefined or are equal to other's.
//
// For example, Version{1, 1, -1} contains both Version{1, 1, -1} and Version{1, 1, 2},
// but not Version{1, -1, -1} or Version{1, 2, -1}.
func (v Version) Contains(other Version) bool { func (v Version) Contains(other Version) bool {
if v.Patch != -1 { if v.Patch != -1 {
return v == other return v == other
@ -45,7 +50,6 @@ func (v Version) Contains(other Version) bool {
return v.Major == other.Major return v.Major == other.Major
} }
// IsValid tests if a version is valid.
func (v Version) IsValid() bool { func (v Version) IsValid() bool {
return v != InvalidVersion return v != InvalidVersion
} }