join method
- String separator = ""
override
Converts each element to a String and concatenates the strings.
Iterates through elements of this iterable,
converts each one to a String by calling Object.toString,
and then concatenates the strings, with the
separator
string interleaved between the elements.
Example:
final planetsByMass = <double, String>{0.06: 'Mercury', 0.81: 'Venus',
0.11: 'Mars'};
final joinedNames = planetsByMass.values.join('-'); // Mercury-Venus-Mars
Implementation
String join([String separator = ""]) {
if (length == 0) return "";
StringBuffer buffer = StringBuffer()..writeAll(this, separator);
return buffer.toString();
}