Created
November 28, 2012 03:59
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Unary '-' operator in Ruby
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| colinux> ruby uminus.rb | |
| a(0) called. | |
| a(-3) called. | |
| c = -3 | |
| d = -6 |
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| def a(x=0) | |
| STDOUT.printf "a(%s) called.\n", x.inspect | |
| return x*2 | |
| end | |
| b = 3 | |
| c = a - b | |
| d = a -b | |
| STDOUT.printf "c = %s\n", c.inspect | |
| STDOUT.printf "d = %s\n", d.inspect |
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