findprev: use zero(eltype(T)) instead of 0

Keno · Keno · commit e7344fc15830 · 2016-09-27T19:37:10.000-04:00
diff --git a/base/array.jl b/base/array.jl
@@ -1111,7 +1111,7 @@ julia> findprev(A,1)
 """
 function findprev(A, start::Integer)
     for i = start:-1:1
-        A[i] != 0 && return i
+        A[i] != zero(eltype(A)) && return i
     end
     return 0
 end
