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| _References and Visibility_ | |
| # References and Scopes | |
| A reference refers to the value of the field defined within nearest | |
| enclosing scope. | |
| If no field matches the reference within the file, it may match a top-level | |
| field defined in any other file of the same package. | |
| If there is still no match, it may match a predefined value. | |
| <!-- CUE editor --> | |
| ``` | |
| v: 1 | |
| a: { | |
| v: 2 | |
| b: v // matches the inner v | |
| } | |
| a: { | |
| c: v // matches the top-level v | |
| } | |
| b: v | |
| ``` | |
| <!-- result --> | |
| ``` | |
| v: 1 | |
| a: { | |
| v: 2 | |
| b: 2 | |
| c: 1 | |
| } | |
| b: 1 | |
| ``` |