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-rw-r--r--examples/hello.halk24
1 files changed, 20 insertions, 4 deletions
diff --git a/examples/hello.halk b/examples/hello.halk
index cfa07f7..6f87160 100644
--- a/examples/hello.halk
+++ b/examples/hello.halk
@@ -5,10 +5,26 @@
#INCLUDE 'io' AS ''; [bring everything in 'io' into global scope]
+let.hello -> 'hello, '; [variables must be given a value at declaration]
-let. hello => 'hello, '; [variables must be given a value at declaration]
+let.PI => math/PI; [header namespaces are accessed with a '/']
[constants are denoted with a '=>']
-let. say_hello.to -> {
- let.greeting ->
-}
+fn.greeting.to -> { ['fn' only expects 1 argument, so no grouping of arguments is necessary]
+ let.message -> str.cat.(hello,to); [parens can be used to make calls to multi-argument
+ functions more clear]
+
+ stdo.message; [since 'io' was brought into global scope, we
+ don't need to (and, in fact, cannot) prefix it
+ with a namespace]
+};
+
+fn.sum_all._ -> { [variadic functions are possible with the reserved '_' argument,
+ which is treated as an array]
+ return.foldl.+,0,_;
+};
+
+fn.main -> { [where our code will begin executing]
+ greeting.[comments can be placed *anywhere*]"world.";
+ exit.0; [exit with code 0]
+};