draft gatherers4j blog post (minor tweaks)
diff --git a/site/src/site/blog/exploring-gatherers4j.adoc b/site/src/site/blog/exploring-gatherers4j.adoc
index 93be92d..63c1b86 100644
--- a/site/src/site/blog/exploring-gatherers4j.adoc
+++ b/site/src/site/blog/exploring-gatherers4j.adoc
@@ -617,7 +617,7 @@
{start-blue}
assert abc.iterator()
.zip(nums.iterator())
- .collectLazy{ s, n -> s + n }
+ .collectLazy { s, n -> s + n }
.toList() == ['A1', 'B2', 'C3']
{end}
----
@@ -627,12 +627,17 @@
[source,groovy,subs="+macros,+attributes"]
----
{start-orange}
-assert Stream.from(abc).zip(nums){ s, i -> s + i }.toList() == ['A1', 'B2', 'C3']
+assert Stream.from(abc)
+ .zip(nums) { s, i -> s + i }
+ .toList() == ['A1', 'B2', 'C3']
{end}
----
=== distinctBy, toUnique
+Gatherers4j has a `distinctBy` gatherer that finds unique elements
+using a predicate to determine equality:
+
[source,groovy,subs="+macros,+attributes"]
----
{start-green}
@@ -642,29 +647,21 @@
{end}
----
-[source,groovy,subs="+macros,+attributes"]
-----
-{start-blue}
-int idx = abc.size()
-assert Stream.generate {
- idx %= abc.size()
- abc[idx++]
-}
-.limit(5)
-.toList() == ['A', 'B', 'C', 'A', 'B']
-{end}
-----
+Groovy provides `toUnique` for this:
[source,groovy,subs="+macros,+attributes"]
----
-{start-orange}
-assert Stream.from(abc).repeat().take(5).toList()
- == ['A', 'B', 'C', 'A', 'B']
+{start-blue}
+assert ['A', 'BB', 'CC', 'D'].iterator()
+ .toUnique(String::size)
+ .toList() == ['A', 'BB']
{end}
----
=== dropEveryNth/takeEveryNth
+Gatherers4j has special gatherers to take or drop every nth element:
+
[source,groovy,subs="+macros,+attributes"]
----
{start-green}
