to_int(a)
to_int(a, default_if_empty_string)
Returns the value of a converted to an integer.
If a is a string and is "" then default_if_empty_string, an int, is returned instead.
For bool, false=0 and true=1.
For times, returns number of microseconds since Jan 1 1970 UTC.
Examples
float
to_int(0.0)0
str
to_int("42")42
str with default
to_int("", 99.0)99