Remove warning

Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-nix = { version = "0.28.0", features = ["fs", "process", "signal", "term", "user"]}
+nix = { version = "0.28.0", features = ["fs", "process", "signal", "term", "user", "hostname"]}
 termion = "4.0.3"
 unicode-width = "0.1.11"
 signal-hook = "0.3.17"

src/elements/word.rs

@@ -44,7 +44,7 @@ impl Word {
               .collect()
     }
 
-    fn make_unquoted_word(&mut self) -> Option<String> {
+    pub fn make_unquoted_word(&mut self) -> Option<String> {
         let sw: Vec<Option<String>> = self.subwords.iter_mut()
             .map(|s| s.make_unquoted_string()) //""や''はNoneにならずに空文字として残る
             .filter(|s| *s != None)

src/feeder.rs

@@ -1,7 +1,7 @@
 //SPDX-FileCopyrightText: 2022 Ryuichi Ueda ryuichiueda@gmail.com
 //SPDX-License-Identifier: BSD-3-Clause
 
-mod term;
+mod terminal;
 mod scanner;
 
 use std::io;
@@ -78,8 +78,7 @@ impl Feeder {
         }
 
         let line = if core.has_flag('i') {
-            let len_prompt = term::prompt_additional();
-            term::read_line_terminal(len_prompt, core)
+            terminal::read_line(core, "PS2")
         }else{
             Self::read_line_stdin()
         };
@@ -111,8 +110,7 @@ impl Feeder {
 
     pub fn feed_line(&mut self, core: &mut ShellCore) -> Result<(), InputError> {
         let line = if core.has_flag('i') {
-            let len_prompt = term::prompt_normal(core);
-            term::read_line_terminal(len_prompt, core)
+            terminal::read_line(core, "PS1")
         }else{ 
             Self::read_line_stdin()
         };