That's really weird because I could run the source code on both linux with mono and windows with vs2010.
Mono JIT compiler version 2.4.2.3 (Debian 2.4.2.3+dfsg-2)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
TLS: __thread
GC: Included Boehm (with typed GC)
SIGSEGV: altstack
Notifications: epoll
Architecture: x86
Disabled: none
Microsoft (R) F# 2.0 Compiler build 2.0.0.0
Copyright (c) Microsoft Corporation. All Rights Reserved.
The result from both platform was:
multiplication aggregate: 15
aggregate values: 120
Hmm,
Here's another tidbit of info. The problem only occurs when I run the program interactively as an fsx file. If I compile it with fsc it works properly.
This is on OS X 10.6.3
Pretty weird.
Derek
Define "doesn't work". (doesn't compile? throws an exception at runtime? ...)
By doesn't work I mean it prints out the wrong answer.
with let abc commented out the function prints out values 0 & 1 which are wrong. If I uncomment that line the function returns 15 and 120 which is correct.
Derek
I've seen some odd problems with F# under Mono but nothing of this sort. If I were you I'd look at the generated IL and see if that shows you anything.
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Hi
I'm new to F# and have run into a problem that I just can't figure out with my first simple recursive function. I was following one of Tomas' videos and tried this function:
let rec aggregateNumbers initial op nfrom nto =
if nfrom > nto then
initial
else
// let abc = (op nfrom nto)
op nfrom (aggregateNumbers initial op (nfrom + 1) nto)
printf "multiplication aggregate: %d\n" (aggregateNumbers 0 (fun a b -> a + b) 1 5)
printf "aggregate values: %d\n" (aggregateNumbers 1 (*) 1 5)
The problem is that this function doesn't work unless I uncomment that one line, or do something else equally useless before attempting to recurse into aggregateNumbers.
What's really weird is that the exact same function works just fine in Visual Studio 2008 running in a Fusion window on my mac.
I'm running the latest version of Mono 2.6.4 and F# 2.0.
I'd love to get some clues as to what might be going wrong here. Also if I'm really wasting my time by trying to learn F# in the Mono environment please let me know and I'll just stick to Windows.
Thanks, Derek