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Add pop to string.

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This commit is contained in:
Stephen Chung
2021-09-20 16:25:23 +08:00
parent 71e8cf727d
commit 6e7fbfa66f
3 changed files with 35 additions and 1 deletions
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5
tests/string.rs
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@@ -100,6 +100,11 @@ fn test_string_mut() -> Result<(), Box<EvalAltResult>> {
engine.register_fn("bar", |s: String| s.len() as INT);
engine.register_fn("baz", |s: &mut String| s.len());
assert_eq!(engine.eval::<char>(r#"pop("hello")"#)?, 'o');
assert_eq!(engine.eval::<String>(r#"pop("hello", 3)"#)?, "llo");
assert_eq!(engine.eval::<String>(r#"pop("hello", 10)"#)?, "hello");
assert_eq!(engine.eval::<String>(r#"pop("hello", -42)"#)?, "");
assert_eq!(engine.eval::<INT>(r#"foo("hello")"#)?, 5);
assert_eq!(engine.eval::<INT>(r#"bar("hello")"#)?, 5);
assert!(