refactor: fix clippy warnings

src/fmt.rs

@@ -149,7 +149,7 @@ fn fmt_table(table: &mut Table, config: &Config) {
     #[cfg(target_os = "windows")]
     const NEWLINE_PATTERN: &'static str = "\r\n";
     #[cfg(not(target_os = "windows"))]
-    const NEWLINE_PATTERN: &'static str = "\n";
+    const NEWLINE_PATTERN: &str = "\n";
     // Checks the header decor for blank lines
     let blank_header_lines =
         table.header_decor().prefix().lines().filter(|l| !l.starts_with('#')).count();

src/main.rs

@@ -79,7 +79,7 @@ fn check_toml(
     }
 
     if config.crlf && !sorted_str.contains("\r\n") {
-        sorted_str = sorted_str.replace("\n", "\r\n")
+        sorted_str = sorted_str.replace('\n', "\r\n")
     }
 
     if matches.is_present("print") {

src/toml_edit/parser/numbers.rs

@@ -46,7 +46,7 @@ parse!(integer() -> i64, {
         attempt(parse_octal_integer()),
         attempt(parse_binary_integer()),
         parse_integer()
-            .and_then(|s| s.replace("_", "").parse())
+            .and_then(|s| s.replace('_', "").parse())
             .message("While parsing an Integer")
     )
 });
@@ -61,7 +61,7 @@ parse!(parse_hex_integer() -> i64, {
                 skip_many1(hex_digit()),
             )),
         ).map(|t| t.0)
-    )).and_then(|s: &str| i64::from_str_radix(&s.replace("_", ""), 16))
+    )).and_then(|s: &str| i64::from_str_radix(&s.replace('_', ""), 16))
        .message("While parsing a hexadecimal Integer")
 });
 
@@ -75,7 +75,7 @@ parse!(parse_octal_integer() -> i64, {
                 skip_many1(oct_digit()),
             )),
         ).map(|t| t.0)
-    )).and_then(|s: &str| i64::from_str_radix(&s.replace("_", ""), 8))
+    )).and_then(|s: &str| i64::from_str_radix(&s.replace('_', ""), 8))
        .message("While parsing an octal Integer")
 });
 
@@ -89,7 +89,7 @@ parse!(parse_binary_integer() -> i64, {
                 skip_many1(satisfy(|c: char| c.is_digit(0x2))),
             )),
         ).map(|t| t.0)
-    )).and_then(|s: &str| i64::from_str_radix(&s.replace("_", ""), 2))
+    )).and_then(|s: &str| i64::from_str_radix(&s.replace('_', ""), 2))
        .message("While parsing a binary Integer")
 });
 
@@ -134,6 +134,6 @@ parse!(parse_float() -> &'a str, {
 
 parse!(float() -> f64, {
     parse_float()
-        .and_then(|s| s.replace("_", "").parse())
+        .and_then(|s| s.replace('_', "").parse())
         .message("While parsing a Float")
 });