From: Mark Wooding <mdw@distorted.org.uk>
Date: Mon, 1 Apr 2013 15:22:03 +0000 (+0100)
Subject: go-fringe.go: Language change: `closed' function on channels has gone.
X-Git-Url: https://git.distorted.org.uk/~mdw/fringe/commitdiff_plain/8a4f4f075a6e2e90039b172242097a4eca48d60b?hp=e13b0c79e810c1e82ee394049e50dc802acab1ad

go-fringe.go: Language change: `closed' function on channels has gone.

Replaced by a two-valued `<-' read operator, which does exactly what we
want.
---

diff --git a/go-fringe.go b/go-fringe.go
index 70e23b5..d79760e 100644
--- a/go-fringe.go
+++ b/go-fringe.go
@@ -52,9 +52,8 @@ func MakeIterator(it Iterable) Iterator {
 // Returns the next item from an iterator IT.  If there is indeed an item
 // available, return it and true; otherwise return nil and false.
 func (it Iterator) Next() (any, bool) {
-	item := <-it;
-	if closed(it) { return nil, false; }
-	return item, true;
+	item, anyp := <-it;
+	return item, anyp;
 }
 
 // Answer whether the iterators return the same items in the same order.