Function map

pub fn map(
    ftx: &FunctionContext<'_>,
    This: This<Value>,
    ident: Identifier,
    expr: Expression,
) -> Result<Value, ExecutionError>

Maps the provided list to a new list by applying an expression to each input item.

This function is intended to be used like the CEL-go map macro: https://github.com/google/cel-spec/blob/master/doc/langdef.md#macros

Examples

[1, 2, 3].map(x, x * 2) == [2, 4, 6]