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MVEL 2.0 Block WITH Operator
The block with operator is a powerful construct for acting on an object instance.
Example:
The code above is functionally equivalent to:
Nesting WITH
MVEL has support for deep graph hierarchies using 'with' and inline arrays, lists and maps:
To be able to use the 'with' keyword in nested structures and in such a way that it returns a value you must encase the keyword and it's following curly braces in parenthesis, i.e. ( with(...) {...} ).
The above deep graph assignment is the equivalent of:
Inline With Operator
MVEL 2.0 introduces a new, abbreviated version of the with operator, using a dot following by an opening curly bracket, you can open up a context around that object instance. For example:
The above example demonstrates constructing an object graph with inline with notation. It is functionally equivalent to the following code:
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