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grokify/base58-gmp-ruby

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base58_gmp.gemspec

Summary

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%w-literals should be delimited by [ and ].
Open

  s.files       = %w(CHANGELOG.md LICENSE.txt README.md base58_gmp.gemspec) + Dir['lib/**/*.rb']
Severity: Minor
Found in base58_gmp.gemspec by rubocop

This cop enforces the consistent usage of %-literal delimiters.

Specify the 'default' key to set all preferred delimiters at once. You can continue to specify individual preferred delimiters to override the default.

Example:

# Style/PercentLiteralDelimiters:
#   PreferredDelimiters:
#     default: '[]'
#     '%i':    '()'

# good
%w[alpha beta] + %i(gamma delta)

# bad
%W(alpha #{beta})

# bad
%I(alpha beta)

Avoid the use of Perl-style backrefs.
Open

version = $1
Severity: Minor
Found in base58_gmp.gemspec by rubocop

This cop looks for uses of Perl-style regexp match backreferences like $1, $2, etc.

Example:

# bad
puts $1

# good
puts Regexp.last_match(1)

Line is too long. [132/80]
Open

  s.description = 'High speed Base58 encoding using GMP with MD5 support and transcoding between Flickr, Bitcoin and GMP alphabets.'
Severity: Minor
Found in base58_gmp.gemspec by rubocop

required_ruby_version (2.0, declared in base58_gmp.gemspec) and TargetRubyVersion (2.1, declared in .rubocop.yml) should be equal.
Open

  s.required_ruby_version = '>= 2.0.0'
Severity: Minor
Found in base58_gmp.gemspec by rubocop

Checks that required_ruby_version of gemspec and TargetRubyVersion of .rubocop.yml are equal. Thereby, RuboCop to perform static analysis working on the version required by gemspec.

Example:

# When `TargetRubyVersion` of .rubocop.yml is `2.3`.

# bad
Gem::Specification.new do |spec|
  spec.required_ruby_version = '>= 2.2.0'
end

# bad
Gem::Specification.new do |spec|
  spec.required_ruby_version = '>= 2.4.0'
end

# good
Gem::Specification.new do |spec|
  spec.required_ruby_version = '>= 2.3.0'
end

# good
Gem::Specification.new do |spec|
  spec.required_ruby_version = '>= 2.3'
end

# good
Gem::Specification.new do |spec|
  spec.required_ruby_version = ['>= 2.3.0', '< 2.5.0']
end

Line is too long. [96/80]
Open

  s.files       = %w(CHANGELOG.md LICENSE.txt README.md base58_gmp.gemspec) + Dir['lib/**/*.rb']
Severity: Minor
Found in base58_gmp.gemspec by rubocop

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