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Align error messages for easier comparing #19203

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Align error messages for easier comparing #19203

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4 changes: 3 additions & 1 deletion src/librustc/middle/ty.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4177,7 +4177,9 @@ pub fn type_err_to_str<'tcx>(cx: &ctxt<'tcx>, err: &type_err<'tcx>) -> String {
if expected_str == found_str {
format!("expected {}, found a different {}", expected_str, found_str)
} else {
format!("expected {}, found {}", expected_str, found_str)
format!("expected `{}`,\n found `{}`", expected_str, found_str)
// `expected` will be preceded by either a space or a `(` so the following
// line needs 4 spaces to align both `{}` sets: issue 18946
}
}
terr_traits(values) => {
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7 changes: 5 additions & 2 deletions src/librustc/middle/typeck/infer/error_reporting.rs
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Expand Up @@ -372,7 +372,8 @@ impl<'a, 'tcx> ErrorReporting<'tcx> for InferCtxt<'a, 'tcx> {

self.tcx.sess.span_err(
trace.origin.span(),
format!("{}: {} ({})",
format!("{}:\n {}\n({})",
// ^ Space to align both sets of `{}`: issue 18946
message_root_str,
expected_found_str,
ty::type_err_to_str(self.tcx, terr)).as_slice());
Expand Down Expand Up @@ -417,7 +418,9 @@ impl<'a, 'tcx> ErrorReporting<'tcx> for InferCtxt<'a, 'tcx> {
return None;
}

Some(format!("expected `{}`, found `{}`",
Some(format!("expected `{}`,\n found `{}`",
// `expected` will be preceded by either a space or a `(` so the
// following line needs 4 spaces to align both `{}` sets: issue 18946
expected.user_string(self.tcx),
found.user_string(self.tcx)))
}
Expand Down