Cast partial time to timespan, representing uncertainty as a range
# S3 method for timespan.partial_time
vec_cast(x, to, ...)A partial_timespan vector
Vectors to cast.
Type to cast to. If NULL, x will be returned as is.
For vec_cast_common(), vectors to cast. For
vec_cast(), vec_cast_default(), and vec_restore(), these
dots are only for future extensions and should be empty.