Merge pull request #85 from SciML/zero(StaticInt)

Define `zero(::StaticInt)`

Author: chriselrod

Project.toml

@@ -1,7 +1,7 @@
 name = "Static"
 uuid = "aedffcd0-7271-4cad-89d0-dc628f76c6d3"
 authors = ["chriselrod", "ChrisRackauckas", "Tokazama"]
-version = "0.7.6"
+version = "0.7.7"
 
 [deps]
 IfElse = "615f187c-cbe4-4ef1-ba3b-2fcf58d6d173"

src/Static.jl

@@ -43,6 +43,8 @@ end
 
 Base.getindex(x::Tuple, ::StaticInt{N}) where {N} = getfield(x, N)
 
+Base.zero(@nospecialize(::StaticInt)) = StaticInt{0}()
+
 Base.to_index(x::StaticInt) = known(x)
 function Base.checkindex(::Type{Bool}, inds::AbstractUnitRange, ::StaticNumber{N}) where {N}
     checkindex(Bool, inds, N)