// Check provided lifetime parameters.
let lifetime_defs = segment.map_or(&[][..], |(_, generics)| &generics.regions);
if lifetimes.len() > lifetime_defs.len() {
- let span = lifetimes[lifetime_defs.len()].span;
struct_span_err!(self.tcx.sess, span, E0088,
"too many lifetime parameters provided: \
expected {}, found {}",
.span_label(span, &format!("unexpected lifetime parameter{}",
match lifetimes.len() { 1 => "", _ => "s" }))
.emit();
+ } else if lifetimes.len() > 0 && lifetimes.len() < lifetime_defs.len() {
+ struct_span_err!(self.tcx.sess, span, E0090,
+ "too few lifetime parameters provided: \
+ expected {}, found {}",
+ count(lifetime_defs.len()),
+ count(lifetimes.len()))
+ .span_label(span, &format!("too few lifetime parameters"))
+ .emit();
}
// The case where there is not enough lifetime parameters is not checked,