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Generated when trying to lookup a gem to indicate that the gem was found, but that it isn’t usable on the current platform.

fetch and install read these and report them to the user to aid in figuring out why a gem couldn’t be installed.

Methods
A
N
W

Attributes

[R] name

the name of the gem
[R] platforms

The platforms that are mismatched
[R] version

the version

Class Public methods

new(name, version)

Source: show | on GitHub 

# File ruby/lib/rubygems/errors.rb, line 118
def initialize(name, version)
  @name = name
  @version = version
  @platforms = []
end

Instance Public methods

add_platform(platform)

append a platform to the list of mismatched platforms.

Platforms are added via this instead of injected via the constructor so that we can loop over a list of mismatches and just add them rather than perform some kind of calculation mismatch summary before creation.

Source: show | on GitHub 

# File ruby/lib/rubygems/errors.rb, line 130
def add_platform(platform)
  @platforms << platform
end

wordy()

A wordy description of the error.

Source: show | on GitHub 

# File ruby/lib/rubygems/errors.rb, line 136
def wordy
  format("Found %s (%s), but was for platform%s %s", @name, @version, @platforms.size == 1 ? "" : "s", @platforms.join(" ,"))
end