igo-search-states.md
In igoR: Access the Intergovernmental Organizations ('IGO') Database

invalid state values are dropped from vectorized searches

Code
  res <- igo_search_states(c("Spain", "aaa", "france"))
Message
  Unknown value for `state`: 'aaa'.

unknown states return NULL

Code
  res <- igo_search_states("aaaaa")
Message
  Unknown value for `state`: 'aaaaa'.
Condition
  Warning in `igo_search_states()`:
  No states were found for the supplied arguments.

empty state vectors return NULL with a warning

Code
  res <- igo_search_states(character())
Condition
  Warning in `igo_search_states()`:
  No states were found for the supplied arguments.

missing state values return NULL with a warning

Code
  res <- igo_search_states(NA)
Message
  Unknown value for `state`: 'NA'.
Condition
  Warning in `igo_search_states()`:
  No states were found for the supplied arguments.