Tweak wording
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parent
3dd638fe6c
commit
ff9c5db03c
10 changed files with 40 additions and 21 deletions
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@ -247,6 +247,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
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adjusted_ty,
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opt_input_type.as_ref().map(slice::from_ref),
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) {
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// Check for `self` receiver on the method, otherwise we can't use this as a `Fn*` trait.
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if !self.tcx.associated_item(ok.value.def_id).fn_has_self_parameter {
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self.tcx.sess.delay_span_bug(
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call_expr.span,
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"input to overloaded call fn is not a self receiver",
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);
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return None;
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}
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let method = self.register_infer_ok_obligations(ok);
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let mut autoref = None;
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if borrow {
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@ -257,7 +266,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
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// caused an error elsewhere.
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self.tcx
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.sess
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.delay_span_bug(call_expr.span, "input to call/call_mut is not a ref?");
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.delay_span_bug(call_expr.span, "input to call/call_mut is not a ref");
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return None;
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};
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@ -271,6 +280,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
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target: method.sig.inputs()[0],
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});
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}
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return Some((autoref, method));
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}
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}
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@ -823,7 +833,7 @@ impl<'a, 'tcx> DeferredCallResolution<'tcx> {
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);
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err.help(
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"make sure the `fn`/`fn_mut`/`fn_once` lang items are defined \
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and have associated `call`/`call_mut`/`call_once` functions",
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and have correctly defined `call`/`call_mut`/`call_once` methods",
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);
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err.emit();
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}
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