Method Validate

eval/expression.go:53–53

Validate runs after Prepare if the expression is a Preparer. It returns nil if the expression contains no validation error. The Validate implementation may take advantage of ValidationErrors to report more than one errors at a time.

()

		// implementation may take advantage of ValidationErrors to report more
		// than one errors at a time.
		Validate() error
	}

	// A Finalizer expression requires an additional pass after the DSL has