mirror of https://github.com/rust-lang/rust
39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
// Test const functions in the library
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pub const MY_VEC: Vec<usize> = Vec::new();
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// FIXME(#110395)
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// pub const MY_VEC2: Vec<usize> = Default::default();
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pub const MY_STRING: String = String::new();
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// pub const MY_STRING2: String = Default::default();
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// pub const MY_BOXED_SLICE: Box<[usize]> = Default::default();
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// pub const MY_BOXED_STR: Box<str> = Default::default();
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use std::collections::{BTreeMap, BTreeSet};
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pub const MY_BTREEMAP: BTreeMap<usize, usize> = BTreeMap::new();
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pub const MAP: &'static BTreeMap<usize, usize> = &MY_BTREEMAP;
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pub const MAP_LEN: usize = MAP.len();
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pub const MAP_IS_EMPTY: bool = MAP.is_empty();
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pub const MY_BTREESET: BTreeSet<usize> = BTreeSet::new();
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pub const SET: &'static BTreeSet<usize> = &MY_BTREESET;
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pub const SET_LEN: usize = SET.len();
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pub const SET_IS_EMPTY: bool = SET.is_empty();
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#[test]
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fn test_const() {
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assert_eq!(MY_VEC, /* MY_VEC */ vec![]);
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assert_eq!(MY_STRING, /* MY_STRING2 */ String::default());
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// assert_eq!(MY_VEC, *MY_BOXED_SLICE);
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// assert_eq!(MY_STRING, *MY_BOXED_STR);
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assert_eq!(MAP_LEN, 0);
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assert_eq!(SET_LEN, 0);
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assert!(MAP_IS_EMPTY && SET_IS_EMPTY);
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}
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