Atomic Values of All Types
Converting
| fn:string | Converts a value or a node to string |
| fn:number | Converts a value or a node to a number |
| fn:data | The atomic value of a node |
Comparing
| fn:max | The maximum of a sequence of values |
| fn:min | The minimum of a sequence of values |
| functx:between-inclusive | Whether a value is between two provided values, or equal to one of them |
| functx:between-exclusive | Whether a value is between two provided values |
| functx:min-determine-type | The minimum value in a sequence, figuring out its type (numeric or string) |
| functx:max-determine-type | The maximum value in a sequence, figuring out its type (numeric or string) |
Missing Values
| fn:empty | Whether a value is the empty sequence |
| fn:exists | Whether an argument is the empty sequence |
| fn:nilled | Whether an element is nilled (has xsi:nil="true") |
| functx:all-whitespace | Whether a value is all whitespace or a zero-length string |
| functx:has-empty-content | Whether an element has empty content |
| functx:if-absent | The first argument if it is not empty, otherwise the second argument |
| functx:if-empty | The first argument if it is not blank, otherwise the second argument |
Boolean
| fn:boolean | The effective boolean value of a sequence |
| fn:not | Negates a boolean value |
| fn:true | The boolean value true |
| fn:false | The boolean value false |
| functx:exclusive-or | Whether one (and only one) of two boolean values is true |
Types
| functx:atomic-type | The built-in type of an atomic value |
| fn:type-available | Whether a schema type is available |
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