{$map {a b} [$range 0 9] {
{$+ $a $b}
}}
map receives a list of object names and a list, then repeatedly runs a list of statements with local named objects that specify the next items of the list. The return value of map is a list of values returned by all iterations of the loop.
If an iteration of the loop calls continue, its return value is ignored.
{$loop {
{$stdout writeln a}
}}
loop repeatedly runs a list of statements.
{$range 1 5}
range returns a list of all whole numbers in a given range.