Old Russian measure of length: Difference between revisions
→{{header|Ruby}}: Add Ruby
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(→{{header|Ruby}}: Add Ruby) |
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Line 2,208:
centimeter : 10000
meter : 100
</pre>
=={{header|Ruby}}==
<lang ruby>module Distances
RATIOS =
{arshin: 0.7112, centimeter: 0.01, diuym: 0.0254,
fut: 0.3048, kilometer: 1000.0, liniya: 0.00254,
meter: 1.0, milia: 7467.6, piad: 0.1778,
sazhen: 2.1336, tochka: 0.000254, vershok: 0.04445,
versta: 1066.8}
def self.method_missing(meth, arg)
from, to = meth.to_s.split("2").map(&:to_sym)
raise NoMethodError, meth if ([from,to]-RATIOS.keys).size > 0
return arg if from == to
(RATIOS[from] / RATIOS[to]) * arg
end
end
p Distances.meter2centimeter(3)
p Distances.arshin2meter(1)
p Distances.versta2kilometer(20) # en Hoeperdepoep zat op de stoep
# 13*13 = 169 methods supported, but not:
p Distances.mile2piad(1)
</lang>
{{out}}
<pre>300.0
0.7112
21.336
distances.rb:12:in `method_missing': mile2piad (NoMethodError)
from distances.rb:22:in `<main>'
</pre>
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