Class Gem::Requirement
In: lib/rubygems/requirement.rb
Parent: Object

Methods

===   =~   create   default   new   none?   parse   prerelease?   satisfied_by?   specific?  

Included Modules

Comparable

Constants

OPS = { #:nodoc: "=" => lambda { |v, r| v == r }, "!=" => lambda { |v, r| v != r }, ">" => lambda { |v, r| v > r }, "<" => lambda { |v, r| v < r }, ">=" => lambda { |v, r| v >= r }, "<=" => lambda { |v, r| v <= r }, "~>" => lambda { |v, r| v >= r && v.release < r.bump }
PATTERN = /\A\s*(#{quoted})?\s*(#{Gem::Version::VERSION_PATTERN})\s*\z/

Public Class methods

Factory method to create a Gem::Requirement object. Input may be a Version, a String, or nil. Intended to simplify client code.

If the input is "weird", the default version requirement is returned.

A default "version requirement" can surely only be ’>= 0’.

Constructs a requirement from requirements. Requirements can be Strings, Gem::Versions, or Arrays of those. nil and duplicate requirements are ignored. An empty set of requirements is the same as ">= 0".

Parse obj, returning an [op, version] pair. obj can be a String or a Gem::Version.

If obj is a String, it can be either a full requirement specification, like ">= 1.2", or a simple version number, like "1.2".

    parse("> 1.0")                 # => [">", "1.0"]
    parse("1.0")                   # => ["=", "1.0"]
    parse(Gem::Version.new("1.0")) # => ["=,  "1.0"]

Public Instance methods

===(version)

Alias for satisfied_by?

=~(version)

Alias for satisfied_by?

True if version satisfies this Requirement.

True if the requirement will not always match the latest version.

[Validate]