String.fill

Fill in placeholders {...} with values.

• Values can also be passed as a single List.
• If values are passed as a Map, it will fill in placeholders by key name.
• Placeholder numbers can be omitted if the values are in order.

'Hello, {0}'.fill('Deer')
//= 'Hello, Deer'

// Without numbers - in order of arguments
'{} eats {}'.fill('Monkey', 'banana')
//= 'Monkey eats banana'

// With numbers - in any order
'{1} eats {0}'.fill('banana', 'Monkey')
//= 'Monkey eats banana'

// With a List
$values = ['Bear', 'honey']
'{0} eats {1}'.fill(values)
//= 'Bear eats honey'

// With a Map
$animal = { name: 'Snail', food: 'leaves' }
'{name} eats {food}'.fill(animal)
//= 'Snail eats leaves'