Arrays manipulation operator
In this section, you will find information about arrays manipulation operators.
What are they?
Check out below:
| Operators | Example | Action |
|---|---|---|
| insert | insert(expressionOf("@{array}), constant(5)) | The operator receives two inputs where the first parameter is an array and the second is the element you want to insert in this array. |
| remove | remove(expressionOf("@{array}), constant(1)) | The operator receives two inputs where the first parameter is an array and the second element you want to remove this array. |
| removeIndex | removeIndex<Int>(expressionOf("@{array}"), constant(2)) | The operator receives two inputs where the first parameter is an array and the second index of the element you want to remove this array. |
| contains | contains(expressionOf("@{array}"), constant(0)) | The operator receives two inputs where the first parameter is an array and the second is the element you want to verify if it contains in the array. |
| union | union <Number> expressionOf("@{context.array1}"), expressionOf("@{context.array2}") | The operator receives two arrays and the une, both parameters Bind<Array<I>> |
Example
The example below shows a screen where a context with numbersArray Id was declared with the value [0, 1, 2, 3, 4],. This context is used in the operation removeIndex in the Text component text and it removes the index element 2.
fun screen() = Screen(
child = Container(
context = ContextData(id = "numbersArray", value = arrayOf(0, 1, 2, 3, 4)),
children = listOf(
Text(constant("Array was [0, 1, 2, 3, 4] and after removing index 2 now is: ")),
Container(
children = listOf(
Text(removeIndex<Int>(expressionOf("@{numbersArray}"), constant(2)).toBindString())
)
).setStyle { backgroundColor = constant("#00FF00") }
)
)
)
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Last modified March 3, 2022: Fix/update resource docs 2.0 (#851) (35652554)