Add a few precompiles

This package can't do a lot generically, but this is a bit useful.

Author: timholy

src/OffsetArrays.jl

@@ -509,4 +509,9 @@ end
 import Adapt
 Adapt.adapt_structure(to, x::OffsetArray) = OffsetArray(Adapt.adapt(to, parent(x)), x.offsets)
 
+if Base.VERSION >= v"1.4.2"
+    include("precompile.jl")
+    _precompile_()
+end
+
 end # module

src/precompile.jl

@@ -0,0 +1,15 @@
+function _precompile_()
+    ccall(:jl_generating_output, Cint, ()) == 1 || return nothing
+    Base.precompile(Tuple{typeof(Base.showarg),IOBuffer,OffsetArray{Int, 0, Array{Int, 0}},Bool})   # time: 0.037824474
+    Base.precompile(Tuple{Type{IdOffsetRange{Int, Base.OneTo{Int}}},UnitRange{Int}})   # time: 0.009825722
+    Base.precompile(Tuple{typeof(Base.inds2string),Tuple{IdOffsetRange{Int, Base.OneTo{Int}}, IdOffsetRange{Int, Base.OneTo{Int}}}})   # time: 0.0080779
+    Base.precompile(Tuple{typeof(getindex),StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}},IdentityUnitRange{UnitRange{Int}}})   # time: 0.008055889
+    Base.precompile(Tuple{typeof(getindex),StepRangeLen{Int, Int, Int},IdentityUnitRange{UnitRange{Int}}})   # time: 0.006584347
+    Base.precompile(Tuple{typeof(getindex),StepRange{Int, Int},IdentityUnitRange{UnitRange{Int}}})   # time: 0.00650066
+    Base.precompile(Tuple{typeof(getindex),LinRange{Float64},IdentityUnitRange{UnitRange{Int}}})   # time: 0.005844317
+    Base.precompile(Tuple{typeof(zeros),Tuple{IdOffsetRange{Int, Base.OneTo{Int}}}})   # time: 0.007713056
+    Base.precompile(Tuple{typeof(ones),Tuple{IdOffsetRange{Int, Base.OneTo{Int}}}})   # time: 0.007713056
+    Base.precompile(Tuple{typeof(trues),Tuple{UnitRange{Int}, UnitRange{Int}}})   # time: 0.005478372
+    Base.precompile(Tuple{typeof(falses),Tuple{UnitRange{Int}, UnitRange{Int}}})   # time: 0.005478372
+    Base.precompile(Tuple{typeof(firstindex),IdOffsetRange{Int, Base.OneTo{Int}}})   # time: 0.004100289
+end