From 361dca5c851c8a8e116343dc68a0440bc607f0b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20Schw=C3=B6rer?= <pubgit@mikescher.com>
Date: Sat, 5 Oct 2024 01:06:36 +0200
Subject: [PATCH] v0.0.521 ctxext

---
 README.md        |  1 +
 ctxext/getter.go | 27 +++++++++++++++++++++++++++
 goextVersion.go  |  4 ++--
 3 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 ctxext/getter.go

diff --git a/README.md b/README.md
index c2c5253..c170018 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ Potentially needs `export GOPRIVATE="gogs.mikescher.com"`
 | zipext      | Mike       | Utility for zip/gzip/tar etc                                                                                  |
 | reflectext  | Mike       | Utility for golang reflection                                                                                 |
 | fsext       | Mike       | Utility for filesytem access                                                                                  |
+| ctxext      | Mike       | Utility for context.Context                                                                                   |
 |             |            |                                                                                                               |
 | mongoext    | Mike       | Utility/Helper functions for mongodb (kinda abandoned)                                                        |
 | cursortoken | Mike       | MongoDB cursortoken implementation                                                                            |
diff --git a/ctxext/getter.go b/ctxext/getter.go
new file mode 100644
index 0000000..d7602d1
--- /dev/null
+++ b/ctxext/getter.go
@@ -0,0 +1,27 @@
+package ctxext
+
+import "context"
+
+func Value[T any](ctx context.Context, key any) (T, bool) {
+	v := ctx.Value(key)
+	if v == nil {
+		return *new(T), false
+	}
+	if tv, ok := v.(T); !ok {
+		return *new(T), false
+	} else {
+		return tv, true
+	}
+}
+
+func ValueOrDefault[T any](ctx context.Context, key any, def T) T {
+	v := ctx.Value(key)
+	if v == nil {
+		return def
+	}
+	if tv, ok := v.(T); !ok {
+		return def
+	} else {
+		return tv
+	}
+}
diff --git a/goextVersion.go b/goextVersion.go
index 489442d..7b03e4d 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.520"
+const GoextVersion = "0.0.521"
 
-const GoextVersionTimestamp = "2024-10-05T01:02:25+0200"
+const GoextVersionTimestamp = "2024-10-05T01:06:36+0200"