Created
January 14, 2013 05:02
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Matrix initialization, with a powerful "dim(x,y)", ref to: http://stackoverflow.com/questions/14294780/how-to-pass-a-method-but-not-activate-it-in-io-language
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| List2D := Object clone | |
| List2D dim := method(x, y, | |
| target := list() | |
| fillStrategy := "const" | |
| default := call evalArgAt(2) | |
| if(default type == "Block", fillStrategy := "func") | |
| for(i, 1, y, | |
| subTarget := list() | |
| for(j, 1, x, | |
| subTarget append( | |
| if(fillStrategy == "const", | |
| default, | |
| default call(i,j)) )) | |
| target append(subTarget)) | |
| target) | |
| List2D dim(3,2) println | |
| List2D dim(3,2,"foo") println | |
| List2D dim(2,3, block(a,b, if((a+b) % 2 == 0, "foo", "bar"))) println |
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the fillStrategy here is actually not necessary to be compared every time when filling elements.