| // check-pass | |
| // Test several functions can be used for constants | |
| // 1. Vec::new() | |
| // 2. String::new() | |
| // 3. BTreeMap::new() | |
| // 4. BTreeSet::new() | |
| #![feature(const_btree_new)] | |
| const MY_VEC: Vec<usize> = Vec::new(); | |
| const MY_STRING: String = String::new(); | |
| use std::collections::{BTreeMap, BTreeSet}; | |
| const MY_BTREEMAP: BTreeMap<u32, u32> = BTreeMap::new(); | |
| const MY_BTREESET: BTreeSet<u32> = BTreeSet::new(); | |
| fn main() {} |