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Contents
module ReturnSpecs
class Blocks
def yielding_method
yield
ScratchPad.record :after_yield
end
def enclosing_method
yielding_method do
ScratchPad.record :before_return
return :return_value
ScratchPad.record :after_return
end
ScratchPad.record :after_call
end
end
class NestedCalls < Blocks
def invoking_method(&b)
yielding_method(&b)
ScratchPad.record :after_invoke
end
def enclosing_method
invoking_method do
ScratchPad.record :before_return
return :return_value
ScratchPad.record :after_return
end
ScratchPad.record :after_invoke
end
end
class NestedBlocks < Blocks
def enclosing_method
yielding_method do
yielding_method do
ScratchPad.record :before_return
return :return_value
ScratchPad.record :after_return
end
ScratchPad.record :after_invoke1
end
ScratchPad.record :after_invoke2
end
end
class DefineMethod
lamb = proc { return :good }
define_method :foo, lamb
def outer
val = :bad
# This is tricky, but works. If lamb properly returns, then the
# return value will go into val before we run the ensure.
#
# If lamb's return keeps unwinding incorrectly, val will still
# have it's old value.
#
# We can therefore use val to figure out what happened.
begin
val = foo()
ensure
if val != :good
return :bad
end
end
return val
end
end
end
Version data entries
64 entries across 64 versions & 1 rubygems