Qore Programming Language Reference Manual: lib/Pseudo_QC_Nothing.dox.h Source File

Qore Programming Language Reference Manual 0.8.11

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Pseudo_QC_Nothing.dox.h
1 namespace Qore {
4
5 class <nothing> : public <value> {
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7 public:
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23 SingleValueIterator contextIterator();
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25 public:
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42 nothing firstKey();
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44 public:
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61 nothing firstValue();
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63 public:
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82 bool hasKey(softstring key);
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84 public:
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103 bool hasKeyValue(softstring key);
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105 public:
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121 SingleValueIterator keyIterator();
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123 public:
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140 list keys();
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142 public:
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159 nothing lastKey();
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161 public:
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178 nothing lastValue();
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180 public:
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195 int lsize();
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197 public:
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211 SingleValueIterator pairIterator();
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213 public:
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229 SingleValueIterator rangeIterator();
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231 public:
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247 int typeCode();
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249 public:
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266 list values();
267 };
268 };
<nothing>::typeCode
int typeCode()
Returns Qore::NT_NOTHING.
<nothing>::hasKey
bool hasKey(softstring key)
Returns True if the key exists in the hash (may or may not be assigned a value), False if not...
<nothing>::keyIterator
SingleValueIterator keyIterator()
Returns an empty SingleValueIterator object.
<nothing>::contextIterator
SingleValueIterator contextIterator()
Returns an empty SingleValueIterator object.
<value>
Methods in this pseudo-class are available to be executed on any value type (even NOTHING); this is t...
Definition: Pseudo_QC_All.dox.h:5
<nothing>::rangeIterator
SingleValueIterator rangeIterator()
Returns an empty SingleValueIterator object.
Qore::SingleValueIterator
This class defines a simple iterator to be used to iterate single values (or complex objects where no...
Definition: QC_SingleValueIterator.dox.h:25
<nothing>::lsize
int lsize()
Returns 0.
<nothing>::values
list values()
Returns an empty list.
Qore::list
list list(...)
Returns a list of the arguments passed at the top level.
<nothing>::keys
list keys()
Returns an empty list.
<nothing>::hasKeyValue
bool hasKeyValue(softstring key)
Returns True if the key exists and is assigned to a value, False if not.
<nothing>
Methods in this pseudo-class can be executed on NOTHING.
Definition: Pseudo_QC_Nothing.dox.h:5
<nothing>::pairIterator
SingleValueIterator pairIterator()
Returns an empty SingleValueIterator object.
<nothing>::lastValue
nothing lastValue()
Returns NOTHING.
<nothing>::lastKey
nothing lastKey()
Returns NOTHING.
<nothing>::firstValue
nothing firstValue()
Returns NOTHING.
<nothing>::firstKey
nothing firstKey()
Returns NOTHING.