Refine expect messages.

2021-08-26 23:58:41 +08:00
parent 2a760eb44b
commit aec4417bd5
21 changed files with 328 additions and 334 deletions
--- a/src/engine_settings.rs
+++ b/src/engine_settings.rs
@@ -279,7 +279,7 @@ impl Engine {
    ///
    /// // Register a custom operator called 'foo' and give it
    /// // a precedence of 160 (i.e. between +|- and *|/).
-    /// engine.register_custom_operator("foo", 160).unwrap();
+    /// engine.register_custom_operator("foo", 160).expect("should succeed");
    ///
    /// // Register a binary function named 'foo'
    /// engine.register_fn("foo", |x: i64, y: i64| (x * y) - (x + y));