Sha256: fb714da4e4e36b0b751881b67ef85492fce509d4f629591606d6e0ba4de74b66
Contents?: true
Size: 776 Bytes
Versions: 13
Compression:
Stored size: 776 Bytes
Contents
# instance_exec comes with >1.8.7 thankfully
if VERSION <= '1.8.6'
class Object
module InstanceExecHelper; end
include InstanceExecHelper
# instance_exec method evaluates a block of code relative to the specified object, with parameters whom come from outside the object.
def instance_exec(*args, &block)
begin
old_critical, Thread.critical = Thread.critical, true
n = 0
n += 1 while respond_to?(mname="__instance_exec#{n}")
InstanceExecHelper.module_eval{ define_method(mname, &block) }
ensure
Thread.critical = old_critical
end
begin
ret = send(mname, *args)
ensure
InstanceExecHelper.module_eval{ remove_method(mname) } rescue nil
end
ret
end
end
end
Version data entries
13 entries across 13 versions & 3 rubygems