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< > BotCompany Repo | #1002108 - empty - extended synonym of isEmpty

JavaX fragment (include) [tags: use-pretranspiled]

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static boolean empty(Collection c) { ret c == null || c.isEmpty(); }
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static boolean empty(Iterable c) { ret c == null || !c.iterator().hasNext(); }
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static boolean empty(CharSequence s) { ret s == null || s.length() == 0; }
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static boolean empty(Map map) { ret map == null || map.isEmpty(); }
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static boolean empty(O[] o) { ret o == null || o.length == 0; }
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sbool empty(BitSet bs) { ret bs == null || bs.isEmpty(); }
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ifndef empty_noGeneric
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static boolean empty(O o) {
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  if (o instanceof Collection) ret empty((Collection) o);
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  if (o instanceof S) ret empty((S) o);
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  if (o instanceof Map) ret empty((Map) o);
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  if (o instanceof O[]) ret empty((O[]) o);
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  if (o instanceof byte[]) ret empty((byte[]) o);
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  if (o == null) true;
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  throw fail("unknown type for 'empty': " + getType(o));
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}
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endifndef
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sbool empty(Iterator i) { ret i == null || !i.hasNext(); }
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static bool empty(double[] a) { ret a == null || a.length == 0; }
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static bool empty(float[] a) { ret a == null || a.length == 0; }
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static bool empty(int[] a) { ret a == null || a.length == 0; }
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static bool empty(long[] a) { ret a == null || a.length == 0; }
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static bool empty(byte[] a) { ret a == null || a.length == 0; }
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static bool empty(short[] a) { ret a == null || a.length == 0; }
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ifclass MultiSet
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static bool empty(MultiSet ms) { ret ms == null || ms.isEmpty(); }
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endif
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ifclass MultiMap
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static bool empty(MultiMap mm) { ret mm == null || mm.isEmpty(); }
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endif
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sbool empty(File f) { ret getFileSize(f) == 0; }
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ifclass IntRange
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sbool empty(IntRange r) { ret r == null || r.empty(); }
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endif
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ifclass DoubleRange
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sbool empty(DoubleRange r) { ret r == null || r.isEmpty(); }
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endif
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ifclass IntBuffer
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sbool empty(IntBuffer b) { ret b == null || b.isEmpty(); }
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endif
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ifclass LongBuffer
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sbool empty(LongBuffer b) { ret b == null || b.isEmpty(); }
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endif
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ifclass Rect
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sbool empty(Rect r) { ret !(r != null && r.w != 0 && r.h != 0); }
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endif
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ifclass Chain
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sbool empty(Chain c) { ret c == null; }
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endif
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ifclass AppendableChain
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sbool empty(AppendableChain c) { ret c == null; }
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endif

Author comment

Began life as a copy of #1002022

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Snippet ID: #1002108
Snippet name: empty - extended synonym of isEmpty
Eternal ID of this version: #1002108/23
Text MD5: f4470782cd135a6d6a1b254c1ec12d67
Transpilation MD5: 4367bae425746ea04e3887f8ab3e290c
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2021-10-27 05:00:46
Source code size: 2103 bytes / 65 lines
Pitched / IR pitched: No / No
Views / Downloads: 869 / 5797
Version history: 22 change(s)
Referenced in: [show references]