Running examples in ‘tsibble-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: fill_gaps
> ### Title: Turn implicit missing values into explicit missing values
> ### Aliases: fill_gaps
> 
> ### ** Examples
> 
> harvest <- tsibble(
+   year = c(2010, 2011, 2013, 2011, 2012, 2014),
+   fruit = rep(c("kiwi", "cherry"), each = 3),
+   kilo = sample(1:10, size = 6),
+   key = fruit, index = year
+ )
> 
> # gaps as default `NA`
> fill_gaps(harvest, .full = TRUE)
# A tsibble: 10 x 3 [1Y]
# Key:       fruit [2]
    year fruit   kilo
   <dbl> <chr>  <int>
 1  2010 cherry    NA
 2  2011 cherry     1
 3  2012 cherry     2
 4  2013 cherry    NA
 5  2014 cherry     5
 6  2010 kiwi       9
 7  2011 kiwi       4
 8  2012 kiwi      NA
 9  2013 kiwi       7
10  2014 kiwi      NA
> fill_gaps(harvest, .full = start())
# A tsibble: 9 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2010 cherry    NA
2  2011 cherry     1
3  2012 cherry     2
4  2013 cherry    NA
5  2014 cherry     5
6  2010 kiwi       9
7  2011 kiwi       4
8  2012 kiwi      NA
9  2013 kiwi       7
> fill_gaps(harvest, .full = end())
# A tsibble: 9 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry    NA
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      NA
8  2013 kiwi       7
9  2014 kiwi      NA
> fill_gaps(harvest, .start = 2009, .end = 2016)
# A tsibble: 16 x 3 [1Y]
# Key:       fruit [2]
    year fruit   kilo
   <dbl> <chr>  <int>
 1  2009 cherry    NA
 2  2010 cherry    NA
 3  2011 cherry     1
 4  2012 cherry     2
 5  2013 cherry    NA
 6  2014 cherry     5
 7  2015 cherry    NA
 8  2016 cherry    NA
 9  2009 kiwi      NA
10  2010 kiwi       9
11  2011 kiwi       4
12  2012 kiwi      NA
13  2013 kiwi       7
14  2014 kiwi      NA
15  2015 kiwi      NA
16  2016 kiwi      NA
> full_harvest <- fill_gaps(harvest, .full = FALSE)
> full_harvest
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry    NA
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      NA
8  2013 kiwi       7
> 
> # replace gaps with a specific value
> harvest %>%
+   fill_gaps(kilo = 0L)
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry     0
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi       0
8  2013 kiwi       7
> 
> # replace gaps using a function by variable
> harvest %>%
+   fill_gaps(kilo = sum(kilo))
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry    28
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      28
8  2013 kiwi       7
> 
> # replace gaps using a function for each group
> harvest %>%
+   group_by_key() %>%
+   fill_gaps(kilo = sum(kilo))
# A tsibble: 8 x 3 [1Y]
# Key:       fruit [2]
# Groups:    fruit [2]
   year fruit   kilo
  <dbl> <chr>  <int>
1  2011 cherry     1
2  2012 cherry     2
3  2013 cherry     8
4  2014 cherry     5
5  2010 kiwi       9
6  2011 kiwi       4
7  2012 kiwi      20
8  2013 kiwi       7
> 
> # leaves existing `NA` untouched
> harvest[2, 3] <- NA
Error in vectbl_assign(x[[j]], i, recycled_value[[j]]) : 
  DLL requires the use of native symbols
Calls: [<- ... tbl_subassign_row -> withCallingHandlers -> vectbl_assign
Execution halted