From 934c84e195ea26f0cd14893c92acdb4e203a4b28 Mon Sep 17 00:00:00 2001
From: NunoSempere <nuno.sempere@protonmail.com>
Date: Fri, 16 Feb 2024 00:25:36 +0100
Subject: [PATCH] figure out return values & global var

---
 go/makefile    | 2 +-
 go/notes.md    | 5 +++--
 go/squiggle.go | 8 +++++++-
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/go/makefile b/go/makefile
index 63504138..926757de 100644
--- a/go/makefile
+++ b/go/makefile
@@ -1,2 +1,2 @@
 run:
-	go run hello.go
+	go run squiggle.go
diff --git a/go/notes.md b/go/notes.md
index 54236fef..fe7dc34f 100644
--- a/go/notes.md
+++ b/go/notes.md
@@ -1,3 +1,4 @@
-- [ ] Hello world program
-- [ ] Look into randomness sources in go
+- [x] Hello world program
+- [x] Look into randomness sources in go
+  - rand/v2 api: <https://pkg.go.dev/math/rand/v2>
 - [ ] 
diff --git a/go/squiggle.go b/go/squiggle.go
index 5d7227a8..f9ee6f0b 100644
--- a/go/squiggle.go
+++ b/go/squiggle.go
@@ -3,8 +3,14 @@ package main
 import "fmt"
 import rand "math/rand/v2"
 
+var r = rand.New(rand.NewPCG(1, 2))
+
+func sample_unit_normal() float64 {
+	return 1.0
+}
+
 func main() {
-	r := rand.New(rand.NewPCG(1, 2))
 	fmt.Println("Hello world!")
 	fmt.Printf("%v\n", r.Float64())
+	fmt.Printf("%v\n", r.NormFloat64())
 }