Hello, are these problems known? I am using the latest RC build.
* Create changeset X. Touch method Foo>>bar. Create changeset Y.
Touch method Foo>>bar again. Fileout changeset X. The fileout has the
code for changeset Y.
* Delete the first ! in a changeset with a preamble. Try to load it
from the file tool. You get a syntax error. However, the progress bar
does not go away. Is the file handle released?
* Integer>>isPrime should not be probabilistic. Suggestion: rename it
to Integer>>isMostLikelyPrime or something similar. Implement a
deterministic prime check for isPrime (even if it is slow --- users then
can decide whether they want a deterministic or probabilistic answer).
Here's a rough sketch of Integer>>isPrime:
isPrime
| guess guessSquared delta selfSqrtFloor |
self <= 1 ifTrue: [^self error: 'operation undefined'].
self even ifTrue: [^self = 2].
guess := 1 bitShift: self highBit + 1 // 2.
[
guessSquared := guess * guess.
delta := guessSquared - self // (guess bitShift: 1).
delta = 0
] whileFalse: [guess := guess - delta].
guessSquared = self ifFalse: [guess := guess - 1].
selfSqrtFloor := guess.
3 to: selfSqrtFloor by: 2 do: [:each | self \\ each = 0 ifTrue:
[^false]].
^true
Also, the above code can be used to implement sqrtFloor and sqrtRounded
in Integer. I am sure Nicolas Cellier remembers this :). Finally, I'm
not sure that isPrime should fail with "undefined operation" if the
receiver is <= 1. 1 is certainly not prime. Primes must be positive,
so zero and the negatives could just answer false. ???...
* Open an inspector on e.g.: Smalltalk. In the code pane, type:
self keys inject: Set new into: [:t :x | t add: x class; yourself]
Using the mouse, select the expression, and inspect the result using the
right button menu item. The result comes up. However, the inspector on
Smalltalk experiences a failure in one of its panes because lines is nil
in MultiNewParagraph(NewParagraph)>>fastFindFirstLineSuchThat:
Andres.
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