Course of Raku / Essentials / Typed variables / Type constraints
Quiz — Type constraints
Make the variables in the below program typed-restricted. Choose the most narrow type required to keep the value;
Int | my ␣␣␣ $a = 500; | |
Int | my ␣␣␣ $b = 304839573985398539853535353; | Long numbers are supported out of the box. |
Rat | my ␣␣␣ $c = 3.5; | This is a Rat . Note that Num values are written in scientific notation. |
Rat | my ␣␣␣ $d = 17/19; | This is also a Rat , and not a division. |
Rat | my ␣␣␣ $e = <2/5>; | This is one of the possible notations for Rat s. |
Num | my ␣␣␣ $f = pi; | The built-in value of π is a Num value. |
Num | my ␣␣␣ $g = 3e-4; | |
Str | my ␣␣␣ $h = '18'; |
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