Adam Bem
5febb10d22
Reviewed-on: #261 Reviewed-by: Mikolaj Widla <widlam@noreply.example.com> Co-authored-by: Adam Bem <adam.bem@zoho.eu> Co-committed-by: Adam Bem <adam.bem@zoho.eu>
48 lines
1.7 KiB
JSON
48 lines
1.7 KiB
JSON
{
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"universalInfo":
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[
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{
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"category":"What is XPath?",
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"description":"XPath is a query language used for selecting nodes from XML and processing them. It may perform operations on strings, numbers and boolean values."
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},
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{
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"category":"What's new in XPath"
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}
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],
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"VersionDiffs":
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[
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{
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"version":"2.0",
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"diffs":
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[
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"Added support for all XML simple types",
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"Many new functions (tripled instruction count)",
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"All expressions evaluate to sequence",
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"Introduces conditional expressions and for-loops"
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]
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},
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{
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"version":"3.0",
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"diffs":
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[
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"Dynamic function calls (function may be called without being referenced by name (find function in collection and call)",
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"Inline functions",
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"Namespace literals - Namespace may be embedded into function name",
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"Support for union types - collections containing elements of different types",
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"Mapping operator - '!' performs evaluation for each element in sequence and concatenates results",
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"Introduced maps"
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]
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},
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{
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"version":"3.1",
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"diffs":
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[
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"New operator for function chaining '=>'",
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"Introduced maps that store data in pair 'key:value' - 'map{ key : value, key : value }'",
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"Introduced arrays - they differ from sequences in that they can be nested 'array{1, 5, 7, (10 to 20)}'"
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]
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}
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]
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} |