dan/rush
1
0
Fork 0
mirror of https://github.com/danbulant/rush synced 2026-05-19 04:18:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

add length native function

Browse source
This commit is contained in:
Daniel Bulant 2023-08-05 21:51:55 +02:00
parent c25c604bc3
commit a796812556
1 changed files with 27 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/nativeFunctions.rs
View file

@ -131,5 +131,32 @@ pub fn get_native_functions() -> HashMap<String, NativeFunction> {
func: rush_typeof
});
fn rush_length(_ctx: &mut Context, args: Vec<Variable>) -> Result<Variable> {
if args.len() != 1 {
return Ok(Variable::I64(args.len() as i64));
}
let arg = args.get(0).unwrap();
let res = match arg {
Variable::String(s) => s.len(),
Variable::Array(a) => a.len(),
Variable::HMap(h) => h.len(),
_ => bail!("Unsupported type")
};
Ok(Variable::I64(res as i64))
}
map.insert("length".to_string(), NativeFunction {
name: "length".to_string(),
description: "Returns the length of a string, array or hashmap".to_string(),
args: vec![String::from("var")],
func: rush_length
});
map.insert("$length".to_string(), NativeFunction {
name: "$length".to_string(),
description: "Returns the length of a string, array or hashmap".to_string(),
args: vec![String::from("var")],
func: rush_length
});
map
}