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- Constant := Object clone do (
- with := method(msg,
- self msg := msg
- self activate := method(call message setName(msg asString); msg)
- )
- )
- // Lets try it out:
- // Make PI a regular number
- PI := 3.1415926
- // Make b a method that uses it
- b := method(PI+PI)
- writeln(b) // -> 6.283185
- // Inspect bs "source" code
- writeln(getSlot("b") code) // -> block(PI +(PI))
- // Make PI a constant
- PI := Constant with(3.1415926)
- writeln(b) // -> 6.283185
- writeln(getSlot("b") code) // -> block(3.141593 +(3.141593))
- // Still works but when we look at the code of b we see that
- // the PIs have been replaced with PIs value!!!
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