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Tweak print_attr_item.

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This commit rearranges the `match`. The new code avoids testing for
`MacArgs::Eq` twice, at the cost of repeating the `self.print_path()`
call. I think this is worthwhile because it puts the `match` in a more
standard and readable form.
This commit is contained in:
Nicholas Nethercote 2022-04-28 16:15:18 +10:00
parent baaa3b6829
commit 5a05b614bf
1 changed files with 8 additions and 7 deletions
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15
compiler/rustc_ast_pretty/src/pprust/state.rs
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@ -469,14 +469,15 @@ pub trait PrintState<'a>: std::ops::Deref<Target = pp::Printer> + std::ops::Dere
true,
span,
),
MacArgs::Empty | MacArgs::Eq(..) => {
MacArgs::Empty => {
self.print_path(&item.path, false, 0);
if let MacArgs::Eq(_, token) = &item.args {
self.space();
self.word_space("=");
let token_str = self.token_to_string_ext(token, true);
self.word(token_str);
}
}
MacArgs::Eq(_, token) => {
self.print_path(&item.path, false, 0);
self.space();
self.word_space("=");
let token_str = self.token_to_string_ext(token, true);
self.word(token_str);
}
}
self.end();