rust/tests/ui/from_iter_instead_of_collect.rs

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#![warn(clippy::from_iter_instead_of_collect)]
use std::collections::HashMap;
use std::iter::FromIterator;
fn main() {
let iter_expr = std::iter::repeat(5).take(5);
Vec::from_iter(iter_expr);
HashMap::<usize, &i8>::from_iter(vec![5, 5, 5, 5].iter().enumerate());
Vec::from_iter(vec![42u32]);
}