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@Centril
Created June 17, 2018 01:14
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for/while/while let .. else
// while P { B_1 } else { B_2 } */
// ==>
/*
if P {
B_1;
while P {
B_1
}
} else {
B_2
}
*/
// while let PAT = E { B_1 } else { B_2 } */
// ==>
/*
if let PAT = E {
B_1;
loop {
if let PAT = E {
B_1
} else {
break;
}
}
} else {
B_2
}
*/
// for PAT in E { B_1 } else { B_2 } */
// ==>
/*
{
let mut iter = E.into_iter();
while let Some(PAT) = iter.next() {
B_1
} else {
B_2
}
}
*/
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