Add example to function pointer.

2020-10-15 20:05:23 +08:00
parent a6fa94d946
commit ea9ef1091a
4 changed files with 62 additions and 10 deletions
--- a/doc/src/engine/custom-syntax.md
+++ b/doc/src/engine/custom-syntax.md
@@ -114,7 +114,8 @@ Any custom syntax must include an _implementation_ of it.

 The function signature of an implementation is:

-> `Fn(scope: &mut Scope, context: &mut EvalContext, inputs: &[Expression]) -> Result<Dynamic, Box<EvalAltResult>>`
+> `Fn(scope: &mut Scope, context: &mut EvalContext, inputs: &[Expression])`  
+> `-> Result<Dynamic, Box<EvalAltResult>>`

 where: