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Diffstat (limited to 'vendor/codeberg.org/gruf/go-structr/util.go')
-rw-r--r--vendor/codeberg.org/gruf/go-structr/util.go13
1 files changed, 13 insertions, 0 deletions
diff --git a/vendor/codeberg.org/gruf/go-structr/util.go b/vendor/codeberg.org/gruf/go-structr/util.go
new file mode 100644
index 000000000..46535fcff
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-structr/util.go
@@ -0,0 +1,13 @@
+package structr
+
+// once only executes 'fn' once.
+func once(fn func()) func() {
+ var once int32
+ return func() {
+ if once != 0 {
+ return
+ }
+ once = 1
+ fn()
+ }
+}