Usage of FsControl makes VSCode + Ionide slow

[robkuz]

Just a subjective observation.
Since I switched to FsControl and the usage of its operators Ionide tooltips and code suggestions have become pretty slow.

[gusty]

Your observation is not that subjective, it is slow since it relies in overload resolution which in the current version of F# is really slow.
Here's a proposal to make it faster, hopefully it will be accepted for F# 4.1
So this is in fact an F# compiler issue.

[robkuz]

interesting. I hope your PR will be merged and I only have to wait for V 4.1 and the mono binary drop. Can only be a few more month ;-)

[gusty]

@robkuz it was just merged today :)