tube constant
String
const tube
Implementation
static const String tube =
'<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" preserveAspectRatio="xMidYMid meet" viewBox="-9 -2 24 24"><path fill="currentColor" d="M2 7a1 1 0 110 2v2a1 1 0 010 2v4a1 1 0 002 0V2H2v5zM0 0h6v17a3 3 0 01-6 0V0z"/></svg>';