Jira (PUP-5730) Add a step() function

Title: Message Title

Peter Huene commented on

PUP-5730

Verified in c16efad:

function test($value, $step = 1) {

    if $value =~ Iterable {

        notice "$value with step $step (block):"

        $value.step($step) |$x| {

            notice $x

        $iterator = $value.step($step)

        notice "$value with step $step (iterator):"

        $iterator.each |$x| {

            notice $x

$a = 5

test($a, 2)

test($a, 1)

$b = foo

test($b, 2)

$c = [1, 2, 3]

test($c, 2)

$d = {a => b, c => d, e => f}

test($d, 2)

$e = Integer

test($e)

$f = Integer[0]

test($f)

$g = Integer[default, 10]

test($g)

$h = Integer[0, 10]

test($h, 3)

$i = Enum[foo, bar, baz]

test($i, 2)

$j = Type

test($j)

$k = /foo/

test($k)

Output:

Notice: Scope(Class[main]): 5 with step 2 (block):

Notice: Scope(Class[main]): 0

Notice: Scope(Class[main]): 2

Notice: Scope(Class[main]): 4

Notice: Scope(Class[main]): 5 with step 2 (iterator):

Notice: Scope(Class[main]): 0

Notice: Scope(Class[main]): 2

Notice: Scope(Class[main]): 4

Notice: Scope(Class[main]): 5 with step 1 (block):

Notice: Scope(Class[main]): 0

Notice: Scope(Class[main]): 1

Notice: Scope(Class[main]): 2

Notice: Scope(Class[main]): 3

Notice: Scope(Class[main]): 4

Notice: Scope(Class[main]): 5 with step 1 (iterator):

Notice: Scope(Class[main]): 0

Notice: Scope(Class[main]): 1

Notice: Scope(Class[main]): 2

Notice: Scope(Class[main]): 3

Notice: Scope(Class[main]): 4

Notice: Scope(Class[main]): foo with step 2 (block):

Notice: Scope(Class[main]): f

Notice: Scope(Class[main]): o

Notice: Scope(Class[main]): foo with step 2 (iterator):

Notice: Scope(Class[main]): f

Notice: Scope(Class[main]): o

Notice: Scope(Class[main]): [1, 2, 3] with step 2 (block):

Notice: Scope(Class[main]): 1

Notice: Scope(Class[main]): 3

Notice: Scope(Class[main]): [1, 2, 3] with step 2 (iterator):

Notice: Scope(Class[main]): 1

Notice: Scope(Class[main]): 3

Notice: Scope(Class[main]): {a => b, c => d, e => f} with step 2 (block):

Notice: Scope(Class[main]): [a, b]

Notice: Scope(Class[main]): [e, f]

Notice: Scope(Class[main]): {a => b, c => d, e => f} with step 2 (iterator):

Notice: Scope(Class[main]): [a, b]

Notice: Scope(Class[main]): [e, f]

Notice: Scope(Class[main]): Integer[0, 10] with step 3 (block):

Notice: Scope(Class[main]): 0

Notice: Scope(Class[main]): 3

Notice: Scope(Class[main]): 6

Notice: Scope(Class[main]): 9

Notice: Scope(Class[main]): Integer[0, 10] with step 3 (iterator):

Notice: Scope(Class[main]): 0

Notice: Scope(Class[main]): 3

Notice: Scope(Class[main]): 6

Notice: Scope(Class[main]): 9

Notice: Scope(Class[main]): Enum['bar', 'baz', 'foo'] with step 2 (block):

Notice: Scope(Class[main]): bar

Notice: Scope(Class[main]): foo

Notice: Scope(Class[main]): Enum['bar', 'baz', 'foo'] with step 2 (iterator):

Notice: Scope(Class[main]): bar

Notice: Scope(Class[main]): foo

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