Updates the execution context. If a block is given, it resets the provided
keys to their previous value once the block exits.
# File activesupport/lib/active_support/execution_context.rb, line 13
def set(**options)
options.symbolize_keys!
keys = options.keys
store = self.store
previous_context = keys.zip(store.values_at(*keys)).to_h
store.merge!(options)
@after_change_callbacks.each(&:call)
if block_given?
begin
yield
ensure
store.merge!(previous_context)
@after_change_callbacks.each(&:call)
end
end
end
