Module: Kernel
- Defined in:
- lib/with_statement.rb
Instance Method Summary collapse
-
#with(*resources, &block) ⇒ Object
Similar to Python’s with statement.
Instance Method Details
#with(*resources, &block) ⇒ Object
Similar to Python’s with statement. This statement enters the context of an object resource
, executes the block, and exits the context.
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# File 'lib/with_statement.rb', line 6 def with(*resources, &block) raise SyntaxError, 'with statement called with no arguments' if resources.size == 0 if resources.size == 1 simple_with(resources.shift, &block) else simple_with(resources.shift) do |what| with(*resources) {|*rs| args = [what] + rs block.call(*args) } end end end |