add GetUint/GetUint32/GetUint64

viper.go

@@ -694,6 +694,24 @@ func (v *Viper) GetInt64(key string) int64 {
 	return cast.ToInt64(v.Get(key))
 }
 
+// GetUint returns the value associated with the key as an unsigned integer.
+func GetUint(key string) uint { return v.GetUint(key) }
+func (v *Viper) GetUint(key string) uint {
+	return cast.ToUint(v.Get(key))
+}
+
+// GetUint32 returns the value associated with the key as an unsigned integer.
+func GetUint32(key string) uint32 { return v.GetUint32(key) }
+func (v *Viper) GetUint32(key string) uint32 {
+	return cast.ToUint32(v.Get(key))
+}
+
+// GetUint64 returns the value associated with the key as an unsigned integer.
+func GetUint64(key string) uint64 { return v.GetUint64(key) }
+func (v *Viper) GetUint64(key string) uint64 {
+	return cast.ToUint64(v.Get(key))
+}
+
 // GetFloat64 returns the value associated with the key as a float64.
 func GetFloat64(key string) float64 { return v.GetFloat64(key) }
 func (v *Viper) GetFloat64(key string) float64 {

viper_test.go

@@ -1036,6 +1036,7 @@ var yamlMergeExampleTgt = []byte(`
 hello:
     pop: 37890
     lagrenum: 765432101234567
+    num2pow63: 9223372036854775808
     world:
     - us
     - uk
@@ -1076,6 +1077,18 @@ func TestMergeConfig(t *testing.T) {
 		t.Fatalf("int64 lagrenum != 765432101234567, = %d", pop)
 	}
 
+	if pop := v.GetUint("hello.pop"); pop != 37890 {
+		t.Fatalf("uint pop != 37890, = %d", pop)
+	}
+
+	if pop := v.GetUint32("hello.pop"); pop != 37890 {
+		t.Fatalf("uint32 pop != 37890, = %d", pop)
+	}
+
+	if pop := v.GetUint64("hello.num2pow63"); pop != 9223372036854775808 {
+		t.Fatalf("uint64 num2pow63 != 9223372036854775808, = %d", pop)
+	}
+
 	if world := v.GetStringSlice("hello.world"); len(world) != 4 {
 		t.Fatalf("len(world) != 4, = %d", len(world))
 	}