Course of Raku / Essentials / More about types / Typed variables / Type constraints

Quiz — Type constraints

Make the variables in the below program type-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 Rats.
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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