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auto merge of #11025 : ezyang/rust/reword-second-borrow, r=cmr

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When a borrow occurs twice illegally, Rust will label the other borrow
as the "second borrow".  This is quite confusing, as the "second borrow"
usually happened before the flagged barrow (e.g. as far as dataflow
is concerned, the first borrow is OK, the second borrow is illegal.)
This patch renames "second borrow" to "previous borrow", to make the
spatial relationship between the two borrows clearer.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
This commit is contained in:
bors 2013-12-18 03:36:33 -08:00
commit f43402fd66
1 changed files with 2 additions and 2 deletions
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4
src/librustc/middle/borrowck/check_loans.rs
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@ -238,7 +238,7 @@ impl<'a> CheckLoanCtxt<'a> {
self.bccx.loan_path_to_str(new_loan.loan_path)));
self.bccx.span_note(
old_loan.span,
format!("second borrow of `{}` as mutable occurs here",
format!("previous borrow of `{}` as mutable occurs here",
self.bccx.loan_path_to_str(new_loan.loan_path)));
return false;
}
@ -253,7 +253,7 @@ impl<'a> CheckLoanCtxt<'a> {
self.bccx.mut_to_str(old_loan.mutbl)));
self.bccx.span_note(
old_loan.span,
format!("second borrow of `{}` occurs here",
format!("previous borrow of `{}` occurs here",
self.bccx.loan_path_to_str(new_loan.loan_path)));
return false;
}