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Remove unstable function that was deprecated in 1.15 #42421

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Remove unstable function that was deprecated in 1.15 #42421

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11 changes: 0 additions & 11 deletions src/librustc_plugin/registry.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -113,17 +113,6 @@ impl<'a> Registry<'a> {
}));
}

/// This can be used in place of `register_syntax_extension` to register legacy custom derives
/// (i.e. attribute syntax extensions whose name begins with `derive_`). Legacy custom
/// derives defined by this function do not trigger deprecation warnings when used.
#[unstable(feature = "rustc_private", issue = "27812")]
#[rustc_deprecated(since = "1.15.0", reason = "replaced by macros 1.1 (RFC 1861)")]
pub fn register_custom_derive(&mut self, name: ast::Name, extension: SyntaxExtension) {
assert!(name.as_str().starts_with("derive_"));
self.whitelisted_custom_derives.push(name);
self.register_syntax_extension(name, extension);
}

pub fn take_whitelisted_custom_derives(&mut self) -> Vec<ast::Name> {
::std::mem::replace(&mut self.whitelisted_custom_derives, Vec::new())
}
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