sapphire-lang 0.8.0

Gradually typed scripting language where every value is an object and types are optional, checked at runtime
Documentation 
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import "./geometry/point"
import "./geometry/shapes"

a = Point.new(x: 0.0, y: 0.0)
b = Point.new(x: 3.0, y: 4.0)

print "Points:"
print "  a = #{a.to_s}"
print "  b = #{b.to_s}"
print "  distance a->b = #{a.distance_to(b)}"
print "  b translated by (1, -1) = #{b.translate(1.0, -1.0).to_s}"

print ""
print "Circle:"
c = Circle.new(center: a, radius: 5.0)
print "  #{c.to_s}"
print "  area = #{c.area}"
print "  contains b? #{c.contains(b)}"
print "  contains (10, 10)? #{c.contains(Point.new(x: 10.0, y: 10.0))}"

print ""
print "Rectangle:"
r = Rectangle.new(top_left: Point.new(x: 1.0, y: 1.0), width: 6.0, height: 4.0)
print "  #{r.to_s}"
print "  area = #{r.area}"
print "  perimeter = #{r.perimeter}"