Struct CapturesUnsafe

Source

pub struct CapturesUnsafe<'b> { /* private fields */ }

Expand description

Unsafe version of Captures, needed for gmatch_captures

Implementations§

Source §

impl<'b> CapturesUnsafe<'b>

Source

pub fn get(&self, i: usize) -> &'b str

get the capture as a string slice

Examples found in repository ?

examples/iter.rs (line 26)

3fn main() {
4    //~ let mut m = lp::LuaPattern::new("hello%");
5    //~ m.matches("hello");
6    //~ println!("ok");
7
8    let mut m = lp::LuaPattern::new("(%a+)");
9    let mut iter = m.gmatch("one two three");
10    assert_eq!(iter.next(), Some("one"));
11    assert_eq!(iter.next(), Some("two"));
12    assert_eq!(iter.next(), Some("three"));
13    assert_eq!(iter.next(), None);
14
15    let mut m = lp::LuaPattern::new("%S+");
16    let split: Vec<_> = m.gmatch("dog  cat leopard wolf").collect();
17    assert_eq!(split, &["dog", "cat", "leopard", "wolf"]);
18
19    let mut m = lp::LuaPattern::new("%s*(%S+)%s*=%s*(.-);");
20    let cc = m.captures(" hello= bonzo dog;");
21    assert_eq!(cc[0], " hello= bonzo dog;");
22    assert_eq!(cc[1], "hello");
23    assert_eq!(cc[2], "bonzo dog");
24
25    for cc in m.gmatch_captures("hello=bonzo dog; bye=cat;") {
26        println!("'{}'='{}'", cc.get(1), cc.get(2));
27    }
28
29    let mut m = lp::LuaPattern::new("%$(%S+)");
30    let res = m.gsub_with("hello $dolly you're so $fine", |cc| {
31        cc.get(1).to_uppercase()
32    });
33    assert_eq!(res, "hello DOLLY you're so FINE");
34
35    let mut m = lp::LuaPattern::new("(%S+)%s*=%s*([^;]+);");
36    let res = m.gsub_with("alpha=bonzo; beta=felix;", |cc| {
37        format!("{}:'{}',", cc.get(1), cc.get(2))
38    });
39    assert_eq!(res, "alpha:'bonzo', beta:'felix',");
40}