Change Option<usize> to usize for variable resolver index.

2020-10-11 22:41:26 +08:00
parent fd5a932611
commit e343bcfa8f
8 changed files with 68 additions and 29 deletions
--- a/src/api.rs
+++ b/src/api.rs
@@ -1721,12 +1721,7 @@ impl Engine {
    #[inline(always)]
    pub fn on_var(
        &mut self,
-        callback: impl Fn(
-                &str,
-                Option<usize>,
-                &Scope,
-                &EvalContext,
-            ) -> Result<Option<Dynamic>, Box<EvalAltResult>>
+        callback: impl Fn(&str, usize, &Scope, &EvalContext) -> Result<Option<Dynamic>, Box<EvalAltResult>>
            + SendSync
            + 'static,
    ) -> &mut Self {