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Skip loading gem implementation on Ruby 4.0+ #99

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22 changes: 4 additions & 18 deletions lib/pathname.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -10,28 +10,14 @@
# For documentation, see class Pathname.
#

if defined?(::Pathname) # Clear builtin Pathname
# :stopdoc:
class ::Object
remove_const :Pathname
end
return if RUBY_VERSION >= '4.1'

# Remove module_function Pathname
class << ::Kernel
undef Pathname
end
module ::Kernel
undef Pathname
end
unless RUBY_VERSION >= '4'
require 'pathname.so' if RUBY_ENGINE == 'ruby'
Comment on lines +13 to +16
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Copilot AI Apr 7, 2026

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Using return at the top level of a required file will raise LocalJumpError: unexpected return (i.e., the file won’t load). To make the file a no-op on Ruby >= 4.1, wrap the remainder of the file in a version guard (e.g., if RUBY_VERSION < '4.1' ... end) instead of using return.

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$".delete('pathname.so')
# :startdoc:
require_relative 'pathname_builtin'
end

require 'pathname.so' if RUBY_ENGINE == 'ruby'

require_relative 'pathname_builtin'

class Pathname # * Find *
#
# Iterates over the directory tree in a depth first manner, yielding a
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