3 // Test several functions can be used for constants
9 #![feature(const_btree_new)]
11 const MY_VEC: Vec<usize> = Vec::new();
13 const MY_STRING: String = String::new();
15 use std::collections::{BTreeMap, BTreeSet};
16 const MY_BTREEMAP: BTreeMap<u32, u32> = BTreeMap::new();
18 const MY_BTREESET: BTreeSet<u32> = BTreeSet::new();