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Rollup merge of #78861 - o752d:patch-1, r=jonas-schievink

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typo and formatting

fixed a typo and modified some line formatting justification while I'm here :)
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Mara Bos 2020-11-08 13:36:32 +01:00 committed by GitHub
commit c4e262ee6f
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1 changed files with 9 additions and 10 deletions
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19
compiler/rustc_expand/src/placeholders.rs
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@ -313,25 +313,24 @@ fn filter_map_expr(&mut self, expr: P<ast::Expr>) -> Option<P<ast::Expr>> {
// Implement the proposal described in
// https://github.com/rust-lang/rust/issues/61733#issuecomment-509626449
//
// The macro invocation expands to the list of statements.
// If the list of statements is empty, then 'parse'
// the trailing semicolon on the original invocation
// as an empty statement. That is:
// The macro invocation expands to the list of statements. If the
// list of statements is empty, then 'parse' the trailing semicolon
// on the original invocation as an empty statement. That is:
//
// `empty();` is parsed as a single `StmtKind::Empty`
//
// If the list of statements is non-empty, see if the
// final statement alreayd has a trailing semicolon.
// If the list of statements is non-empty, see if the final
// statement already has a trailing semicolon.
//
// If it doesn't have a semicolon, then 'parse' the trailing semicolon
// from the invocation as part of the final statement,
// If it doesn't have a semicolon, then 'parse' the trailing
// semicolon from the invocation as part of the final statement,
// using `stmt.add_trailing_semicolon()`
//
// If it does have a semicolon, then 'parse' the trailing semicolon
// from the invocation as a new StmtKind::Empty
// FIXME: We will need to preserve the original
// semicolon token and span as part of #15701
// FIXME: We will need to preserve the original semicolon token and
// span as part of #15701
let empty_stmt = ast::Stmt {
id: ast::DUMMY_NODE_ID,
kind: ast::StmtKind::Empty,