group method
Implementation
RouterGroup group(String prefix){
if (!prefix.startsWith('/')) {
throw ArgumentError.value(
prefix, 'prefix', 'must start with a slash');
}
return RouterGroup(prefix,this);
}
RouterGroup group(String prefix){
if (!prefix.startsWith('/')) {
throw ArgumentError.value(
prefix, 'prefix', 'must start with a slash');
}
return RouterGroup(prefix,this);
}