Fix lint "useless_vec"

Author: therealfrauholle

src/io.rs

@@ -399,7 +399,7 @@ mod tests {
         use std::{io::Cursor, rc::Rc};
         let mut buf = Vec::new();
         let mut rc = Rc::new(&mut buf);
-        let records = vec!["foo", "barr", "baz"];
+        let records = ["foo", "barr", "baz"];
         {
             let mut writer = RecordWriter::new(Rc::get_mut(&mut rc).unwrap());
             for rec in records.iter() {
@@ -440,7 +440,7 @@ mod tests {
         use std::{io::Cursor, rc::Rc};
         let mut buf = Vec::new();
         let mut rc = Rc::new(&mut buf);
-        let records = vec!["foo", "barr", "baz"];
+        let records = ["foo", "barr", "baz"];
         {
             let mut writer = RecordWriter::new(Rc::get_mut(&mut rc).unwrap());
             for rec in records.iter() {

src/lib.rs

@@ -2367,7 +2367,7 @@ mod tests {
     fn test_set_config() {
         let mut options = SessionOptions::new();
         // An empty array is a valid proto, since all fields are optional.
-        options.set_config(&vec![]).unwrap();
+        options.set_config(&[]).unwrap();
     }
 
     #[test]

tensorflow-sys/examples/multiplication.rs

@@ -52,7 +52,7 @@ fn main() {
 
         let name = CString::new("a").unwrap();
         let mut data = vec![1f32, 2.0, 3.0];
-        let dims = vec![data.len() as i64];
+        let dims = [data.len() as i64];
         let input_tensor1 = nonnull!(ffi::TF_NewTensor(
             ffi::TF_FLOAT,
             dims.as_ptr(),
@@ -72,7 +72,7 @@ fn main() {
 
         let name = CString::new("b").unwrap();
         let mut data = vec![4f32, 5.0, 6.0];
-        let dims = vec![data.len() as i64];
+        let dims = [data.len() as i64];
         let input_tensor2 = nonnull!(ffi::TF_NewTensor(
             ffi::TF_FLOAT,
             dims.as_ptr(),