ifEmpty method

Printer<Iterable<T>> ifEmpty([
  1. String label = '\u2205'
])

Prints label, if the iterable to be printed is empty. Uses the unicode symbol for empty set by default: https://unicode-table.com/en/2205/.

Implementation

Printer<Iterable<T>> ifEmpty([String label = '\u2205']) =>
    EmptyPrinter<T>(this, label);