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