Initial commit

2022-09-13 21:42:51 +08:00
commit 7e327abbae
14 changed files with 474 additions and 0 deletions
--- a/utils/shortcuts.go
+++ b/utils/shortcuts.go
@@ -0,0 +1,45 @@
+package utils
+
+import (
+    "os"
+    "strconv"
+)
+
+func TryGetEnv[T any]( name string, fallback T ) T {
+    v := os.Getenv( name )
+
+    if v != "" {
+        switch any( fallback ).(type) {
+        case uint64:
+            p, err := strconv.ParseUint( v, 10, 64 )
+            if err == nil {
+                return any( uint64( p ) ).(T)
+            }
+        case uint32:
+            p, err := strconv.ParseUint( v, 10, 32 )
+            if err == nil {
+                return any( uint32( p ) ).(T)
+            }
+        case int:
+            p, err := strconv.ParseInt( v, 10, 32 )
+            if err == nil {
+                return any( int( p ) ).(T)
+            }
+        case float64:
+            p, err := strconv.ParseFloat( v, 64 )
+            if err == nil {
+                return any( float64( p ) ).(T)
+            }
+        case float32:
+            p, err := strconv.ParseFloat( v, 32 )
+            if err == nil {
+                return any( float32( p ) ).(T)
+            }
+        default:
+            return any( v ).(T)
+        }
+
+    }
+
+    return fallback
+}