OK, thanks for this advice.
The type definition compiles, but when I try to actually access
myField, the compiler says:
Cannot use record selector `myField' as a function due to escaped type
variables
Probable fix: use pattern-matching syntax instead
So I took the hint and wrote a new
OK, I have a solution. Ugly, but it compiles.
MyStruct actually has quite a few fields but I only need to access the
polymorphic field 4 times.
So for the functions that needed that I wrote:
f myS@(MyStruct value _ _ _ )
and then could use value. I could then use the usual record accessors
on
On Sunday 26 September 2010 14:00:38, Kevin Jardine wrote:
OK, thanks for this advice.
The type definition compiles, but when I try to actually access
myField, the compiler says:
Cannot use record selector `myField' as a function due to escaped type
variables
Probable fix: use
How about
f myS@(MyStruct { myField = value })
?
On Sun, Sep 26, 2010 at 2:14 PM, Kevin Jardine kevinjard...@gmail.com wrote:
OK, I have a solution. Ugly, but it compiles.
MyStruct actually has quite a few fields but I only need to access the
polymorphic field 4 times.
So for the
Hi Michael,
Yes, that does compile!
Much less ugly and does not expose the internal bits of MyStruct.
Thanks.
Kevin
On Sep 26, 2:26 pm, Michael Snoyman mich...@snoyman.com wrote:
How about
f myS@(MyStruct { myField = value })
?
On Sun, Sep 26, 2010 at 2:14 PM, Kevin Jardine
