1 /// Return the index of the character after the first camel-case component of
3 pub fn until(s: &str) -> usize {
4 let mut iter = s.char_indices();
5 if let Some((_, first)) = iter.next() {
6 if !first.is_uppercase() {
21 } else if c.is_uppercase() {
24 } else if !c.is_lowercase() {
35 /// Return index of the last camel-case component of `s`.
36 pub fn from(s: &str) -> usize {
37 let mut iter = s.char_indices().rev();
38 if let Some((_, first)) = iter.next() {
39 if !first.is_lowercase() {
46 let mut last_i = s.len();
52 } else if !c.is_lowercase() {
55 } else if c.is_lowercase() {
66 use super::{from, until};
70 assert_eq!(from("AbcDef"), 0);
71 assert_eq!(from("Abc"), 0);
76 assert_eq!(from("abcDef"), 3);
77 assert_eq!(from("aDbc"), 1);
82 assert_eq!(from("AbcDef_"), 7);
83 assert_eq!(from("AbcDD"), 5);
88 assert_eq!(from("ABCD"), 4);
93 assert_eq!(until("AbcDef"), 6);
94 assert_eq!(until("Abc"), 3);
99 assert_eq!(until("abcDef"), 0);
100 assert_eq!(until("aDbc"), 0);
105 assert_eq!(until("AbcDef_"), 6);
106 assert_eq!(until("CallTypeC"), 8);
107 assert_eq!(until("AbcDD"), 3);
112 assert_eq!(until("ABCD"), 0);