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pprust: use as_deref

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This commit is contained in:
Mazdak Farrokhzad 2020-01-22 01:38:05 +01:00
parent ce361fb24f
commit 7962ccb216
1 changed files with 2 additions and 2 deletions
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4
src/libsyntax/print/pprust.rs
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@ -1643,7 +1643,7 @@ impl<'a> State<'a> {
self.print_expr_as_cond(i);
self.s.space();
self.print_block(then);
self.print_else(e.as_ref().map(|e| &**e))
self.print_else(e.as_deref())
}
// Final `else` block.
ast::ExprKind::Block(ref b, _) => {
@ -1947,7 +1947,7 @@ impl<'a> State<'a> {
self.print_let(pat, scrutinee);
}
ast::ExprKind::If(ref test, ref blk, ref elseopt) => {
self.print_if(test, blk, elseopt.as_ref().map(|e| &**e));
self.print_if(test, blk, elseopt.as_deref())
}
ast::ExprKind::While(ref test, ref blk, opt_label) => {
if let Some(label) = opt_label {