From 0a277876bb7c3b06edf065816ff6be5d427f243b Mon Sep 17 00:00:00 2001
From: surdeus <surdeus@gmail.com>
Date: Fri, 25 Nov 2022 18:30:51 +0500
Subject: [PATCH] Init.

---
 .gitignore           |  1 +
 go.mod               |  3 +++
 mkconfig             |  5 +++++
 mkfile               |  5 +++++
 src/cmd/test/main.go | 24 ++++++++++++++++++++++++
 src/mapx/main.go     | 29 +++++++++++++++++++++++++++++
 6 files changed, 67 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 go.mod
 create mode 100644 mkconfig
 create mode 100644 mkfile
 create mode 100644 src/cmd/test/main.go
 create mode 100644 src/mapx/main.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..86daf54
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+exe
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..158fc3a
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/surdeus/godat
+
+go 1.19
diff --git a/mkconfig b/mkconfig
new file mode 100644
index 0000000..175c4f3
--- /dev/null
+++ b/mkconfig
@@ -0,0 +1,5 @@
+MKSHELL = sh
+<$(MKINCDIR)/config
+WATCH_FILES = src tmpl
+CC = cc
+
diff --git a/mkfile b/mkfile
new file mode 100644
index 0000000..c5540db
--- /dev/null
+++ b/mkfile
@@ -0,0 +1,5 @@
+<mkconfig
+<$MKINCDIR/gobuild
+
+<$MKINCDIR/w3/run-dev
+
diff --git a/src/cmd/test/main.go b/src/cmd/test/main.go
new file mode 100644
index 0000000..a5e3fbf
--- /dev/null
+++ b/src/cmd/test/main.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"github.com/surdeus/godat/src/mapx"
+	"fmt"
+)
+
+func main() {
+	m := map[string] string {
+		"Key1" : "Value1",
+		"Key2" : "Value2",
+		"Key3" : "Value3",
+	}
+	m1 := map[int] string {
+		1 : "Val1",
+		2 : "Val2",
+		7 : "Val7",
+	}
+	fmt.Println(m)
+	fmt.Printf("%q\n", mapx.Keys(m))
+	fmt.Printf("%q\n", mapx.Values(m))
+	fmt.Printf("%q\n", mapx.Reverse(m))
+	fmt.Printf("%v\n", mapx.Reverse(m1))
+}
diff --git a/src/mapx/main.go b/src/mapx/main.go
new file mode 100644
index 0000000..19b60b8
--- /dev/null
+++ b/src/mapx/main.go
@@ -0,0 +1,29 @@
+package mapx
+
+func Keys[K comparable, V any](m map[K] V) []K {
+	r := make([]K, 0, len(m))
+	for k := range m {
+		r = append(r, k)
+	}
+
+	return r
+}
+
+func Values[K comparable, V any](m map[K] V) []V {
+	r := make([]V, 0, len(m))
+	for _, v := range m {
+		r = append(r, v)
+	}
+
+	return r
+}
+
+func Reverse[K, V comparable](m map[K] V) map[V] K {
+	r := make(map[V] K)
+	for k, v := range m {
+		r[v] = k
+	}
+
+	return r
+}
+