const encoding/base64.StdPadding

3 uses

	encoding/base64 (current package)
		base64.go#L31: 	StdPadding          rune = '=' // Standard padding character
		base64.go#L72: 	e.padChar = StdPadding

	github.com/segmentio/asm/base64
		base64.go#L8: 	StdPadding rune = base64.StdPadding