isdisjoint: add NEWS and include in the docs (#34460)

rfourquet · StefanKarpinski · commit 3aeb3ec9ee8d · 2020-01-21T12:54:12.000-05:00
diff --git a/NEWS.md b/NEWS.md
@@ -23,6 +23,7 @@ Build system changes
 New library functions
 ---------------------
 
+* The new `isdisjoint` function indicates whether two collections are disjoint ([#34427]).
 
 New library features
 --------------------
diff --git a/base/abstractset.jl b/base/abstractset.jl
@@ -381,7 +381,7 @@ end
 """
     isdisjoint(v1, v2) -> Bool
 
-Returns whether the collections `v1` and `v2` are disjoint, i.e. whether
+Return whether the collections `v1` and `v2` are disjoint, i.e. whether
 their intersection is empty.
 
 !!! compat "Julia 1.5"
diff --git a/doc/src/base/collections.md b/doc/src/base/collections.md
@@ -251,6 +251,7 @@ Base.issubset
 Base.:⊈
 Base.:⊊
 Base.issetequal
+Base.isdisjoint
 ```
 
 Fully implemented by:
