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Destroys the temporary variable and returns its final value.

Sets output to the value of the Tensor pointed to by 'ref', then destroys the temporary variable called 'var_name'. All other uses of 'ref' must have executed before this op. This is typically achieved by chaining the ref through each assign op, or by using control dependencies.

Outputs the final value of the tensor pointed to by 'ref'.

ref A mutable Tensor. A reference to the temporary variable tensor.
var_name A string. Name of the temporary variable, usually the name of the matching 'TemporaryVariable' op.
name A name for the operation (optional).

A Tensor. Has the same type as ref.