sigma_function constant
String
const sigma_function
Implementation
static const String sigma_function =
'<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M4 4h16v3M4 20h16v-3M4 20l8-8-8-8"/></svg>';