kotovalexarian-likes-github/pry--pry
1
0
Fork 0
mirror of https://github.com/pry/pry.git synced 2022-11-09 12:35:05 -05:00
Code Releases Activity

Fixed failing tests, working around bug in 1.8

Browse source 
* proc { |&block| }.arity returns 1 on 1.8, but 0 on 1.9
  This is a bug in 1.8 that we had to hack around.
This commit is contained in:
John Mair 2012-02-24 04:54:07 +13:00
parent 90d6f3eefb
commit 1d57e04c49
1 changed files with 12 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
lib/pry/command.rb
View file

@ -408,7 +408,18 @@ class Pry
# we need to define this method so we can pass a block in (not
# possible with `instance_exec`)
class << self; self; end.send(:define_method, :dummy, &block)
dummy(*correct_arg_arity(block.arity, args), &command_block)
# Ruby 1.8 returns arity 1 for proc { |&block }, this is a bug
# and different to 1.9 behaviour (which returns 0). The
# following hack deals with this bug by retrying the method with
# no parameters if an ArgumentError is raised.
begin
dummy(*correct_arg_arity(block.arity, args), &command_block)
rescue ArgumentError => ex
if ex.message =~ /1 for 0/
dummy(&command_block)
end
end
end
def help; description; end