2 Checks for calls to [`splitn`]
3 (https://doc.rust-lang.org/std/primitive.str.html#method.splitn) and
4 related functions with either zero or one splits.
7 These calls don't actually split the value and are
8 likely to be intended as a different number.
12 for x in s.splitn(1, ":") {
19 for x in s.splitn(2, ":") {