Allow overloading of script functions.

This commit is contained in:
Stephen Chung
2020-03-12 13:02:13 +08:00
parent 1765d302b9
commit e24d3a7ade
5 changed files with 89 additions and 41 deletions

View File

@@ -30,3 +30,25 @@ fn test_big_internal_fn() -> Result<(), EvalAltResult> {
Ok(())
}
#[test]
fn test_internal_fn_overloading() -> Result<(), EvalAltResult> {
let mut engine = Engine::new();
assert_eq!(
engine.eval::<INT>(
r#"
fn abc(x,y,z) { 2*x + 3*y + 4*z + 888 }
fn abc(x) { x + 42 }
fn abc(x,y) { x + 2*y + 88 }
fn abc() { 42 }
fn abc(x) { x - 42 } // should override previous definition
abc() + abc(1) + abc(1,2) + abc(1,2,3)
"#
)?,
1002
);
Ok(())
}