Description:

Formats are Perl 5's mechanism for creating text templates with fixed-width
fields. Those fields are then filled in using values from prespecified
package variables.

Unlike Perl 5, Perl 6 doesn't have a 'format' keyword. Or the associated
built-in formatting mechanism. Instead it has a Form.pm module. And a
'form' function.

Like a Perl 5 'format' statement, the 'form' function takes a series of
format (or "picture") strings, each of which is immediately followed by a
suitable set of replacement values. It interpolates those values into the
placeholders specified within each picture string, and returns the result: