From abe36dcee146fd1a13c338d8d65cd303dc223ed4 Mon Sep 17 00:00:00 2001 From: Bruce Hill Date: Tue, 26 Nov 2024 14:01:03 -0500 Subject: Tweak docs --- examples/learnxiny.tm | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'examples/learnxiny.tm') diff --git a/examples/learnxiny.tm b/examples/learnxiny.tm index 99649129..e31bab70 100644 --- a/examples/learnxiny.tm +++ b/examples/learnxiny.tm @@ -108,14 +108,19 @@ func main(): >> table:get("two") = 2 : Int? - # The value returned is optional (because the key might not be in the table). + # The value returned is optional because NONE will be returned if the key + # is not in the table: + >> table:get("xxx")! + = NONE : Int? + # Optional values can be converted to regular values using `!` (which will - # create a runtime error if the value is null) or the `or` operator: + # create a runtime error if the value is null): >> table:get("two")! = 2 : Int + # You can also use `or` to provide a fallback value to replace NONE: >> table:get("xxx") or 0 - = 0 + = 0 : Int # Empty tables require specifying the key and value types: empty_table := {:Text:Int} -- cgit v1.2.3