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Diffstat (limited to 'src/test/ui/borrowck/borrowck-pat-enum.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-pat-enum.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-pat-enum.rs b/src/test/ui/borrowck/borrowck-pat-enum.rs new file mode 100644 index 000000000..7f9c5544d --- /dev/null +++ b/src/test/ui/borrowck/borrowck-pat-enum.rs @@ -0,0 +1,39 @@ +// run-pass +#![allow(dead_code)] +// ignore-pretty issue #37199 + +fn match_ref(v: Option<isize>) -> isize { + match v { + Some(ref i) => { + *i + } + None => {0} + } +} + +fn match_ref_unused(v: Option<isize>) { + match v { + Some(_) => {} + None => {} + } +} + +fn impure(_i: isize) { +} + +fn match_imm_reg(v: &Option<isize>) { + match *v { + Some(ref i) => {impure(*i)} // OK because immutable + None => {} + } +} + +fn match_mut_reg(v: &mut Option<isize>) { + match *v { + Some(ref i) => {impure(*i)} // OK, frozen + None => {} + } +} + +pub fn main() { +} |