| 55.3. Reduce Code to the Essence | ||
|---|---|---|
 | Kapitola 55. What The Ruby Craftsman Can Learn From The Smalltalk Master |  |
| 55.3. Reduce Code to the Essence | ||
|---|---|---|
| | Kapitola 55. What The Ruby Craftsman Can Learn From The Smalltalk Master | |
class Point
attr_reader :x, :y
def initialize(x,y)
@x, @y = x, y
end
endPoint.new 24, -33 # … Point.new -75, 64 # … Point.new 40, -63 # … Point.new 47, -78 # … Point.new -91, 65
class Numeric
def at(y)
Point.new self, y
end
end24.at(-33) # … -75.at(64) # … 40.at(-63) # … 47.at(-78) # … -91.at(65)
| |  | |
| 55.2. Cognitive Scalability |  | 55.4. Shortcut Constructor Method |
