die

sub die(Str $str)

Prints the message to stdout and then exits

flunk

sub flunk(Str $msg)

Prints a message and dies angrily ✘.

is

sub is(Str b, Str $msg)

If the two strings are equal, prints the message with a friendly '✔'. Otherwise, displays the two strings and dies with an angry '✘'.

is File</etc/meaning-of-life.cfg>.slurp,'42',"configured with correct MOL";

list

sub list(List[Str] *@list ⟶ List)

Joins arguments on a \n creating a List.

nok

sub nok(Bool msg)

The negated form of ok. Succeeds when the $cond is false.

note

sub note(Str $str ⟶ Bool)

Prints its argument to $*ERR with a newline.

ok

sub ok(Bool msg)

If the condition true, ok prints the message with a friendly '✔'. Otherwise, dies with an angry '✘'.

ok True,"";

pass

sub pass(Str $msg)

Prints a message with a friendly ✔.

print

sub print(Str $str)

Prints its argument to $*OUT with no newline.

prompt

sub prompt(Str default ⟶ Bool)

Prompts the user with a yes/no question and returns a Bool with the answer. If $*interactive is false then it will just return the default.

if prompt("Did the chicken come before the egg?", :default(True)) {
    say "wrong, the egg came before the chicken.";
} else {
    say "wrong, the chicken DID come before the egg.";
}

say

sub say(Str $str ⟶ Bool)

Prints its argument to $*OUT with a newline

sleep

sub sleep(Int $seconds)

Suspends execution for an interval of time measured in seconds. note sleep(1) can usually take floating point numbers but they are NYI in spit.