Skip to main content
Version: Next

all

Maps each list element to an expression.

map(list:list, capture:field, expression:any) -> list

Description​

The map function applies an expression to each element within a list, returning a list of the same length.

list : list​

A list of values.

capture : field​

The name of each list element in the mapping expression.

expression : any​

The expression applied to each list element.

Examples​

Stringify all elements of list​

from {
  hosts: [1.2.3.4, 127.0.0.1, 10.0.0.127]
}
hosts = hosts.map(host, str(host))
{hosts: ["1.2.3.4", "127.0.0.1", "10.0.0.127"]}

Reshape a record inside a list​

from {
  answers: [{rdata: 76.76.21.21, rrname: "tenzir.com"}]
}
answers = answers.map(x, {hostname: x.rrname, ip: x.rdata})

See Also​

where