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Contents
exercise: SpaceAge
version: 2
plan: 8
tests: |-
is (age-on ::(.<input><planet>): .<input><seconds>), |.<expected description> for @($c-data<cases>);
unit: module
example: |-
role Planet {
method age-on ($seconds) {
($seconds / self.orbital-period).round(0.01);
}
}
class Earth does Planet is export {
my $.orbital-period = 31557600;
}
my %planets = (
:Mercury(0.2408467),
:Venus(0.61519726),
:Mars(1.8808158),
:Jupiter(11.862615),
:Saturn(29.447498),
:Uranus(84.016846),
:Neptune(164.79132),
);
for %planets.kv -> $planet, $relative {
use MONKEY-SEE-NO-EVAL;
OUR::EXPORT::ALL::{$planet} := OUR::EXPORT::DEFAULT::{$planet} := EVAL "class $planet does Planet is export " ~
'{ my $.orbital-period = calculate-orbital-period $relative }';
}
sub calculate-orbital-period ($relative-to-earth) {
Earth.orbital-period * $relative-to-earth;
}
stub: |-
role Planet {
method age-on ($seconds) {
}
}
class Earth does Planet is export {
my $.orbital-period = 31557600;
}
=for comment
---
Orbital periods relative to Earth:
Mercury: 0.2408467
Venus: 0.61519726
Mars: 1.8808158
Jupiter: 11.862615
Saturn: 29.447498
Uranus: 84.016846
Neptune: 164.79132
...
Version data entries
78 entries across 78 versions & 1 rubygems