// Test that we correctly consider the type of `match` to be the LUB // of the various arms, particularly in the case where regions are // involved. pub fn opt_str0<'a>(maybestr: &'a Option) -> &'a str { if maybestr.is_none() { "(none)" } else { let s: &'a str = maybestr.as_ref().unwrap(); s } } pub fn opt_str1<'a>(maybestr: &'a Option) -> &'a str { if maybestr.is_some() { let s: &'a str = maybestr.as_ref().unwrap(); s } else { "(none)" } } pub fn opt_str2<'a>(maybestr: &'a Option) -> &'static str { if maybestr.is_none() { "(none)" } else { let s: &'a str = maybestr.as_ref().unwrap(); s //~ ERROR E0312 } } pub fn opt_str3<'a>(maybestr: &'a Option) -> &'static str { if maybestr.is_some() { let s: &'a str = maybestr.as_ref().unwrap(); s //~ ERROR E0312 } else { "(none)" } } fn main() {}