fix(error): Remove RawFormatter

The likelihood of using this is a lot lower now with `KindFormatter` and
`error-context` feature flag.

People can implement it themselves.

src/error/format.rs

@@ -43,43 +43,6 @@ impl ErrorFormatter for KindFormatter {
     }
 }
 
-/// Dump the error context reported
-#[non_exhaustive]
-#[cfg(feature = "error-context")]
-pub struct RawFormatter;
-
-#[cfg(feature = "error-context")]
-impl ErrorFormatter for RawFormatter {
-    fn format_error(error: &crate::error::Error<Self>) -> StyledStr {
-        let mut styled = StyledStr::new();
-        start_error(&mut styled);
-        if let Some(msg) = error.kind().as_str() {
-            styled.none(msg.to_owned());
-        } else if let Some(source) = error.inner.source.as_ref() {
-            styled.none(source.to_string());
-        } else {
-            styled.none("Unknown cause");
-        }
-        styled.none("\n");
-
-        if error.context().next().is_some() {
-            styled.none("\n");
-        }
-        for (kind, value) in error.context() {
-            if let Some(kind) = kind.as_str() {
-                styled.none(kind);
-                styled.none(": ");
-                styled.none(value.to_string());
-            } else {
-                styled.none(value.to_string());
-            }
-            styled.none("\n");
-        }
-
-        styled
-    }
-}
-
 /// Richly formatted error context
 #[non_exhaustive]
 #[cfg(feature = "error-context")]

src/error/mod.rs

@@ -39,8 +39,6 @@ pub use context::ContextKind;
 #[cfg(feature = "error-context")]
 pub use context::ContextValue;
 #[cfg(feature = "error-context")]
-pub use format::RawFormatter;
-#[cfg(feature = "error-context")]
 pub use format::RichFormatter;
 
 #[cfg(not(feature = "error-context"))]

tests/builder/error.rs

@@ -96,25 +96,6 @@ Options:
     assert_error(err, expected_kind, MESSAGE, false);
 }
 
-#[test]
-#[cfg(feature = "error-context")]
-fn raw_prints_help() {
-    let cmd = Command::new("test");
-    let res = cmd
-        .try_get_matches_from(["test", "--help"])
-        .map_err(|e| e.apply::<clap::error::RawFormatter>());
-    assert!(res.is_err());
-    let err = res.unwrap_err();
-    let expected_kind = ErrorKind::DisplayHelp;
-    static MESSAGE: &str = "\
-Usage: test
-
-Options:
-  -h, --help  Print help information
-";
-    assert_error(err, expected_kind, MESSAGE, false);
-}
-
 #[test]
 fn kind_formats_validation_error() {
     let cmd = Command::new("test");
@@ -147,22 +128,3 @@ For more information try '--help'
 ";
     assert_error(err, expected_kind, MESSAGE, true);
 }
-
-#[test]
-#[cfg(feature = "error-context")]
-fn raw_formats_validation_error() {
-    let cmd = Command::new("test");
-    let res = cmd
-        .try_get_matches_from(["test", "unused"])
-        .map_err(|e| e.apply::<clap::error::RawFormatter>());
-    assert!(res.is_err());
-    let err = res.unwrap_err();
-    let expected_kind = ErrorKind::UnknownArgument;
-    static MESSAGE: &str = "\
-error: Found an argument which wasn't expected or isn't valid in this context
-
-Invalid Argument: unused
-Usage: test
-";
-    assert_error(err, expected_kind, MESSAGE, true);
-}