github.com/lmorg/murex@v0.0.0-20240217211045-e081c89cd4ef/docs/variables/meta-values.md (about) 1 # Meta Values (json) 2 3 > State information for iteration blocks 4 5 ## Description 6 7 Meta Values, `$.`, provides state information for blocks like `foreach`, 8 `formap`, `while` and lambdas. 9 10 Meta Values are a specific to the block, so you will need to refer to each 11 iteration structure's documentation to check what information is exposed via 12 `$.` 13 14 15 16 ## Examples 17 18 ``` 19 ยป %[Monday..Friday] -> foreach day { out "$.i: $day" } 20 1: Monday 21 2: Tuesday 22 3: Wednesday 23 4: Thursday 24 5: Friday 25 ``` 26 27 ## Synonyms 28 29 * `meta-values` 30 * `$.` 31 32 33 ## See Also 34 35 * [`[{ Lambda }]`](../parser/lambda.md): 36 Iterate through structured data 37 * [`foreach`](../commands/foreach.md): 38 Iterate through an array 39 * [`formap`](../commands/formap.md): 40 Iterate through a map or other collection of data 41 * [`while`](../commands/while.md): 42 Loop until condition false 43 44 <hr/> 45 46 This document was generated from [gen/variables/meta-values_doc.yaml](https://github.com/lmorg/murex/blob/master/gen/variables/meta-values_doc.yaml).