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[Perl 6] Deleting key/value pairs from a hash.

cwchen Oct 28th, 2017 87 Never
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  1. my %hash = one => "eins", two => "zwei", three => "drei";
  2.  
  3. %hash.keys.elems == 3 or die "Wrong count";
  4.  
  5. # Delete one key-value pair.
  6. %hash<three>:delete;
  7.  
  8. %hash.keys.elems == 2 or die "Wrong count";
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