Add generic isnull method

JuliaLang · Sep 13, 2016 · feddd37 · feddd37
1 parent d0e7684
commit feddd37
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/base/nullable.jl b/base/nullable.jl
@@ -62,6 +62,7 @@ end
 get(x::Nullable) = x.isnull ? throw(NullException()) : x.value
 
 isnull(x::Nullable) = x.isnull
+isnull(x) = false
 
 function isequal(x::Nullable, y::Nullable)
     if x.isnull && y.isnull