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function sayHello(word, callback) { | |
callback(word); | |
} | |
sayHello('Hello', function(word) { | |
sayHello(word + ' World', function(word){ | |
sayHello(word + '!', function(word) { | |
console.write(word); | |
}); | |
}); |
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#![warn(rust_2018_idioms)] | |
#[derive(Debug)] | |
pub struct StrSplit<'haystack, D> { | |
remainder: Option<&'haystack str>, | |
delimiter: D, | |
} | |
impl<'haystack, D> StrSplit<'haystack, D> { | |
pub fn new(haystack: &'haystack str, delimiter: D) -> Self { |