Thanks Todd. That fixed my problem.
Concerning the dummy nodes to want to add to an AST, you could try adding
dummy methods to make them to conform to ast.Stmt or whatever?
On Tuesday, August 28, 2018 at 6:33:12 PM UTC-4, Todd Neal wrote:
>
>
>
> na...@mit.edu writes:
>
> > As can be seen
As can be seen from my recent posts, I've been playing a lot with the
automatic generation if go programs using go/ast and related packages.
My current problem is that when I use astutil.AddImport.
When I rn the program below, which creates a new ast.File and uses
astutil.AddImport to import
I've read rather a lot of formal documentation where the authors were not
so careful with their language, particularly with distinctions between
words like "undefined" and "invalid".
I think it a reasonable expectation that an object of type X returned by
one function of a library be
The documentation can be interpreted as you say.
If the resulting AST is subsequently inserted into a larger AST and then
serialized, the source that is output can be syntactically invalid.
It is unexpected (and I believe unreasonable) that serializing an AST can
produce code that can't be
The documentation for parser.ParseExpr says that the position information
in the AST it returns "is undefined". I opserved the result as having
position information. This looks like a bug.
https://play.golang.org/p/tpzqDF3EZ_S
demonstrates this bug.
On Thursday, August 9, 2018 at 11:48:10
I've done some further exploring.
The expression computed by the line
https://github.com/MarkNahabedian/Goshua/blob/ee72218487f39d2e97ade086df23dbcfcb4c2db3/rete/rule_compiler/rule_compiler.go#L214
has both a valid Pos() and a valid End(). parseExpression is defined at
I think my problem might be related to the logic around line 982
of https://golang.org/src/go/printer/printer.go. I don't yet understand
the distinction between the impliedSemi local variable and the impliedSemi
field of printer.
How would I fetch and build the go/printer code and install it
I just learned about the stringer utility from Rob Pike's atricle about
generate (https://blog.golang.org/generate).
I was wondering why the code generated by stringer has it's data in global
variables (example from the article)
const _Pill_name = "PlaceboAspirinIbuprofenParacetamol"
var
Thanks for your help and patience Alex. I guess I need to do something like
https://play.golang.org/p/qURVD3of5oU
but I find it kind of unclean to have to add private methods to do this.
It wouldn't be appropriate to define a basicNode getter method on the node
interface since basicNode is
b2 isn't in my most recent example. Thus gets the error that n2.inputs is not
defined.
func (n1 *basicNode) OutputsTo(n2 node) {
n2.inputs = append(n2.inputs, n1)
n1.outputs = append(n1.outputs, n2)
}
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I was expecting that since basicNode is anonymously embedded into TestNode
and ActionNode, that the methods and fields of basicNode would all be
present in TestNode and ActionNode. In that case I'd have expected
https://play.golang.org/p/gIvykcxFTmQ
to have worked. That shows that
I don't know why I'm getting this interface conversion error or what to do
about it.
I define an interface, node, and a struct, basicNode that implements
behavior common to all nodes. I also define ActionNode and TestNode which
both anonymously embed basicNode.
basicNode implements OutputsTo
I installed golang into c:\go using the msi installer. When I look in
tc:\go\lib all I see is the "time" directory. Where's the rest of the
standard go libraries? If I look at the zip archive I see nothing else und
How do I get a complete installation?
er lib as well.
This seems wrong.
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