What is a fast error breakpoint? how to use it? and fast errors are included in all exception errors?

Question

I am using xcode 7.1, there is one option in the breakpoints navigator.
there is one optin swift error breakpoint.
when I edit this breakpoint, is there one option type i don't know what i have to pass there value for typeand
what is this quick error breakpoint? *

Answer 1

A fast error breakpoint will be stopped in your release statement.

For example, if you have a method that may cause an error, and you enable the Swift error. If an error occurs in this method, your program will stop at the line that produces the error.