at:tutorial:objects
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
| at:tutorial:objects [2007/07/18 18:09] – jorge | at:tutorial:objects [2007/07/19 07:59] – * tvcutsem | ||
|---|---|---|---|
| Line 159: | Line 159: | ||
| def Enumerable := object: { | def Enumerable := object: { | ||
| def collect: closure { | def collect: closure { | ||
| - | def c := self.new(); | + | def c := self.new([]); |
| self.each: { |v| | self.each: { |v| | ||
| - | closure(v); | + | |
| }; | }; | ||
| + | c; | ||
| }; | }; | ||
| }; | }; | ||
| def Array := object: { | def Array := object: { | ||
| def elements := []; | def elements := []; | ||
| + | def init(a) { elements := a; }; | ||
| def add(v) { elements := elements + [v]; self }; | def add(v) { elements := elements + [v]; self }; | ||
| def collect: closure { | def collect: closure { | ||
| Line 173: | Line 175: | ||
| def each: clo { | def each: clo { | ||
| 1.to: elements.length + 1 do: { |i| | 1.to: elements.length + 1 do: { |i| | ||
| - | | + | clo(elements[i]); |
| }; | }; | ||
| }; | }; | ||
| Line 186: | Line 188: | ||
| > def c := Array.collect: | > def c := Array.collect: | ||
| >> < | >> < | ||
| - | > c.each: { |v| system.println(v)} | + | > c.each: { |v| system.print(v)} |
| - | 2 | + | 234 |
| - | 3 | + | |
| - | 4 | + | |
| >>nil | >>nil | ||
| </ | </ | ||
at/tutorial/objects.txt · Last modified: 2013/05/17 20:23 by tvcutsem