| Marcel van Lohuizen | 75cb003 | 2019-01-11 12:10:48 +0100 | [diff] [blame] | 1 | [TOC](Readme.md) [Prev](interpolation.md) [Next](listcomp.md) |
| 2 | |
| Marcel van Lohuizen | af0932f | 2019-01-11 13:03:56 +0100 | [diff] [blame] | 3 | _Expressions_ |
| 4 | |
| Marcel van Lohuizen | 75cb003 | 2019-01-11 12:10:48 +0100 | [diff] [blame] | 5 | # Interpolation of Field Names |
| 6 | |
| 7 | String interpolations may also be used in field names. |
| 8 | |
| 9 | One cannot refer to generated fields with references. |
| 10 | |
| 11 | <!-- CUE editor --> |
| Marcel van Lohuizen | f0c9404 | 2019-02-22 22:46:37 +0100 | [diff] [blame] | 12 | _- genfield.cue:_ |
| Marcel van Lohuizen | 75cb003 | 2019-01-11 12:10:48 +0100 | [diff] [blame] | 13 | ``` |
| 14 | sandwich: { |
| 15 | type: "Cheese" |
| 16 | "has\(type)": true |
| 17 | hasButter: true |
| 18 | butterAndCheese: hasButter && hasCheese |
| 19 | } |
| 20 | ``` |
| 21 | |
| 22 | <!-- result --> |
| Marcel van Lohuizen | f0c9404 | 2019-02-22 22:46:37 +0100 | [diff] [blame] | 23 | `$ cue eval -i genfield.cue` |
| Marcel van Lohuizen | 75cb003 | 2019-01-11 12:10:48 +0100 | [diff] [blame] | 24 | ``` |
| 25 | sandwich: { |
| 26 | type: "Cheese" |
| 27 | hasCheese: true |
| 28 | hasButter: true |
| 29 | butterAndCheese: _|_ // unknown reference 'hasCheese' |
| 30 | } |
| 31 | ``` |
