improve types in UnitRange constructor

the `ifelse` was type-unstable in some caes, for example Bool where `start-one(stop-start)` gives an Int.
Sacha0 · Jan 4, 2015 · fb342cb · fb342cb
1 parent e34aad8
commit fb342cb
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/base/range.jl b/base/range.jl
@@ -62,7 +62,8 @@ immutable UnitRange{T<:Real} <: OrdinalRange{T,Int}
  start::T
  stop::T
 
- UnitRange(start, stop) = new(start, ifelse(stop >= start, stop, start-one(stop-start)))
+ UnitRange(start, stop) =
+ new(start, ifelse(stop >= start, stop, convert(T,start-one(stop-start))))
 end
 UnitRange{T<:Real}(start::T, stop::T) = UnitRange{T}(start, stop)