JuliaLang/julia — comment on commit 9173a3ea4b1baf233bf8f321c5e2e0659781dba1
File:  line 0
By JeffBezanson:

Well, `isequal` isn't *only* for hashing, but I see your point. Couldn't we write `!isless(y,x)` for `x<=y`? Is there really a performance difference? Have you tried it?