Improve: error message

Author: pitiK3U

clippy_lints/src/utils/paths.rs

@@ -44,7 +44,7 @@ pub const FN: [&str; 3] = ["core", "ops", "Fn"];
 pub const FN_MUT: [&str; 3] = ["core", "ops", "FnMut"];
 pub const FN_ONCE: [&str; 3] = ["core", "ops", "FnOnce"];
 pub const FROM_FROM: [&str; 4] = ["core", "convert", "From", "from"];
-pub const FROM_ITERATOR: [&str; 3] = ["std", "iter", "FromIterator"];
+pub const FROM_ITERATOR: [&str; 5] = ["core", "iter", "traits", "collect", "FromIterator"];
 pub const FROM_TRAIT: [&str; 3] = ["core", "convert", "From"];
 pub const FUTURE_FROM_GENERATOR: [&str; 3] = ["core", "future", "from_generator"];
 pub const HASH: [&str; 3] = ["core", "hash", "Hash"];

tests/ui/from_iter_instead_of_collect.rs

@@ -5,7 +5,7 @@ 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());
 }

tests/ui/from_iter_instead_of_collect.stderr

@@ -1,5 +1,5 @@
 error: use `.collect()` instead of `::from_iter()`
-  --> $DIR/from_iter_instead_of_collect.rs:9:5
+  --> $DIR/from_iter_instead_of_collect.rs:8:5
    |
 LL |     Vec::from_iter(iter_expr);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: ``iter_expr.collect()``