go

3 files changed, 65 insertions, 0 deletions

diff --git a/go/Makefile b/go/Makefile
new file mode 100644
index 0000000..80c6771
--- /dev/null
+++ b/go/Makefile
@@ -0,0 +1,3 @@
+%: %.go
+	go build $^
+
diff --git a/go/channels.go b/go/channels.go
new file mode 100644
index 0000000..03bcf68
--- /dev/null
+++ b/go/channels.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+  "fmt"
+  "time"
+)
+
+func pinger(c chan<- string) {
+  for i := 0; ; i++ {
+    c <- "ping"
+  }
+}
+
+func ponger(c chan string) {
+  for i := 0; ; i++ {
+    c <- "pong"
+  }
+}
+
+func printer(c <-chan string) {
+  for {
+    msg := <- c
+    fmt.Println(msg)
+    time.Sleep(time.Second * 1)
+  }
+}
+
+func main() {
+  var c chan string = make(chan string)
+
+  go pinger(c)
+  go ponger(c)
+  go printer(c)
+
+  var input string
+  fmt.Scanln(&input)
+}
+
diff --git a/go/goroutines.go b/go/goroutines.go
new file mode 100644
index 0000000..1eb1eb9
--- /dev/null
+++ b/go/goroutines.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+  "fmt"
+  "time"
+  "math/rand"
+)
+
+func f(n int) {
+  for i := 0; i < 10; i++ {
+    fmt.Println(n, ":", i)
+    amt := time.Duration(rand.Intn(250))
+    time.Sleep(time.Millisecond * amt)
+  }
+}
+
+func main() {
+  for i := 0; i < 10; i++ {
+    go f(i)
+  }
+  var input string
+  fmt.Scanln(&input)
+}
+