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Return Option from js_eval

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PaddiM8 2020-12-31 00:16:39 +01:00
parent 88215dbe98
commit c273e028b3
1 changed files with 3 additions and 3 deletions
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6
kalk/src/parser.rs
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@ -139,13 +139,13 @@ pub fn eval(
#[wasm_bindgen(js_name = evaluate)] #[wasm_bindgen(js_name = evaluate)]
#[cfg(not(feature = "rug"))] #[cfg(not(feature = "rug"))]
pub fn js_eval(input: &str) -> Result<KalkNum, JsValue> { pub fn js_eval(input: &str) -> Result<Option<KalkNum>, JsValue> {
let mut context = Context::new(); let mut context = Context::new();
let result = eval(&mut context, input); let result = eval(&mut context, input);
match result { match result {
Ok(Some(value)) => Ok(value), Ok(Some(value)) => Ok(Some(value)),
Ok(None) => Ok(KalkNum::default()), Ok(None) => Ok(None),
Err(err) => Err(err.to_string().into()), Err(err) => Err(err.to_string().into()),
} }
} }