jsonp: clippy::items_after_statements

warning: adding items after statements is confusing, since items exist from the start of the scope
  --> src/cmd/jsonp.rs:75:5
   |
75 | /     fn df_from_stdin() -> PolarsResult<DataFrame> {
76 | |         // Create a buffer in memory for stdin
77 | |         let mut buffer: Vec<u8> = Vec::new();
78 | |         let stdin = std::io::stdin();
79 | |         stdin.lock().read_to_end(&mut buffer)?;
80 | |         JsonReader::new(Box::new(std::io::Cursor::new(buffer))).finish()
81 | |     }
   | |_____^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#items_after_statements
   = note: `-W clippy::items-after-statements` implied by `-W clippy::pedantic`
   = help: to override `-W clippy::pedantic` add `#[allow(clippy::items_after_statements)]`

warning: adding items after statements is confusing, since items exist from the start of the scope
  --> src/cmd/jsonp.rs:83:5
   |
83 | /     fn df_from_path(path: String) -> PolarsResult<DataFrame> {
84 | |         JsonReader::new(std::fs::File::open(path)?).finish()
85 | |     }
   | |_____^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#items_after_statements

warning: adding items after statements is confusing, since items exist from the start of the scope
   --> src/cmd/jsonp.rs:98:5
    |
98  | /     fn df_to_csv<W: Write>(mut writer: W, mut df: DataFrame, args: &Args) -> PolarsResult<()> {
99  | |         CsvWriter::new(&mut writer)
100 | |             .with_datetime_format(args.flag_datetime_format.clone())
101 | |             .with_date_format(args.flag_date_format.clone())
...   |
107 | |         Ok(())
108 | |     }
    | |_____^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#items_after_statements

src/cmd/jsonp.rs

@@ -70,8 +70,6 @@ struct Args {
 }
 
 pub fn run(argv: &[&str]) -> CliResult<()> {
-    let args: Args = util::get_args(USAGE, argv)?;
-
     fn df_from_stdin() -> PolarsResult<DataFrame> {
         // Create a buffer in memory for stdin
         let mut buffer: Vec<u8> = Vec::new();
@@ -84,17 +82,6 @@ pub fn run(argv: &[&str]) -> CliResult<()> {
         JsonReader::new(std::fs::File::open(path)?).finish()
     }
 
-    let df = match args.arg_input.clone() {
-        Some(path) => {
-            if path == "-" {
-                df_from_stdin()?
-            } else {
-                df_from_path(path)?
-            }
-        },
-        None => df_from_stdin()?,
-    };
-
     fn df_to_csv<W: Write>(mut writer: W, mut df: DataFrame, args: &Args) -> PolarsResult<()> {
         CsvWriter::new(&mut writer)
             .with_datetime_format(args.flag_datetime_format.clone())
@@ -107,6 +94,21 @@ pub fn run(argv: &[&str]) -> CliResult<()> {
         Ok(())
     }
 
+    // main
+
+    let args: Args = util::get_args(USAGE, argv)?;
+
+    let df = match args.arg_input.clone() {
+        Some(path) => {
+            if path == "-" {
+                df_from_stdin()?
+            } else {
+                df_from_path(path)?
+            }
+        },
+        None => df_from_stdin()?,
+    };
+
     if let Some(output_path) = args.flag_output.clone() {
         let mut output = std::fs::File::create(output_path)?;
         df_to_csv(&mut output, df, &args)?;