xml_find.md
In xml2: Parse XML

xml_find_num errors with non numeric results

Code
  xml_find_num(x, "//z")
Condition
  Error in `xml_find_num()`:
  ! Element at path `//z` must be a number, not a <xml_missing> object.
Code
  xml_find_num(x, "//y")
Condition
  Error in `xml_find_num()`:
  ! Element at path `//y` must be a number, not a list.
Code
  xml_find_num(x, "1=1")
Condition
  Error in `xml_find_num()`:
  ! Element at path `1=1` must be a number, not `TRUE`.
Code
  xml_find_num(x, "string(5)")
Condition
  Error in `xml_find_num()`:
  ! Element at path `string(5)` must be a number, not the string "5".

xml_find_int errors with non integer results

Code
  xml_find_int(x, "//z")
Condition
  Error in `xml_find_int()`:
  ! Element at path `//z` must be a whole number, not a <xml_missing> object.
Code
  xml_find_int(x, "//y")
Condition
  Error in `xml_find_int()`:
  ! Element at path `//y` must be a whole number, not a list.
Code
  xml_find_int(x, "number(1.1)")
Condition
  Error in `xml_find_int()`:
  ! Element at path `number(1.1)` must be a whole number, not the number 1.1.

xml_find_chr errors with non character results

Code
  xml_find_chr(x, "//z")
Condition
  Error in `xml_find_chr()`:
  ! Element at path `//z` must be a single string, not a <xml_missing> object.
Code
  xml_find_chr(x, "//y")
Condition
  Error in `xml_find_chr()`:
  ! Element at path `//y` must be a single string, not a list.
Code
  xml_find_chr(x, "1=1")
Condition
  Error in `xml_find_chr()`:
  ! Element at path `1=1` must be a single string, not `TRUE`.
Code
  xml_find_chr(x, "1+1")
Condition
  Error in `xml_find_chr()`:
  ! Element at path `1+1` must be a single string, not the number 2.

xml_find_lgl errors with non logical results

Code
  xml_find_lgl(x, "//z")
Condition
  Error in `xml_find_lgl()`:
  ! Element at path `//z` must be `TRUE` or `FALSE`, not a <xml_missing> object.
Code
  xml_find_lgl(x, "//y")
Condition
  Error in `xml_find_lgl()`:
  ! Element at path `//y` must be `TRUE` or `FALSE`, not a list.
Code
  xml_find_lgl(x, "string(5)")
Condition
  Error in `xml_find_lgl()`:
  ! Element at path `string(5)` must be `TRUE` or `FALSE`, not the string "5".
Code
  xml_find_lgl(x, "1+1")
Condition
  Error in `xml_find_lgl()`:
  ! Element at path `1+1` must be `TRUE` or `FALSE`, not the number 2.