HB_HVALUES()
Returns an array of the values of a hash table
Syntax
HB_HVALUES( <hsTable> ) -> <aValues>
Arguments
<hsTable> a hash table, created by HB_HASH()
Returns
An array of all the hash values
Compliance
Harbour
Returns an array of the values of a hash table
Syntax
HB_HVALUES( <hsTable> ) -> <aValues>
Arguments
<hsTable> a hash table, created by HB_HASH()
Returns
An array of all the hash values
Compliance
Harbour
Gets/sets a hash value at a given position
Syntax
HB_HVALUEAT( <hsTable>, <nPosition>, [<NewValue>] ) -> <Value>
Arguments
<hsTable> a hash table, created by HB_HASH()
<nPosition> the position of an entry within the hash table that will be returned
<NewValue> a new value to be assigned to the hash table at the given position
Returns
The existing value, or the new value if it is given
Compliance
Harbour
Reorganizes the internal list of the hash table to be sorted
Syntax
HB_HSORT( <hsTable> ) -> <hsSortedTable>
Arguments
<hsTable> a hash table, created by HB_HASH()
Returns
The hash table sorted
Compliance
Harbour
Sets a hash value
Syntax
HB_HSET( <hsTable>, <Key>, <Value> ) -> <hsTable>
Arguments
<hsTable> a hash table, created by HB_HASH()
<Key> the key of the entry to be set; can be of type: number, date, datetime, string, pointer
<Value> the entry value
Returns
The hash table
Compliance
Harbour
Scans a hash table
Syntax
HB_HSCAN( <hsTable>, <Value>, [<nStart>], [<nCount>, [<lExact>] ) -> nPosition
Arguments
<hsTable> a hash table, created by HB_HASH()
<Value> to be located within the hash table
<nStart> starting index, defaults to 1 if omitted
<nCount> counter, defaults to (length) – <nStart> is omitted
<lExact> logical valuye indicating whether the comparision is to be be exact or not
Returns
The position of the located value within the hash table, or zero (0) if not found.
Compliance
Harbour
Locates the index of a key within a hash table
Syntax
HB_HPOS( <hsTable>, <Key> ) -> nPosition
Arguments
<hsTable> a hash table, created by HB_HASH()
<Key> key for which its position is to be determined; can be of type: number, date, datetime, string, pointer
Returns
A integer number being the index position of the key within the hash table.
Compliance
Harbour
Returns a two-dimensional array of a hash table entry key/value pair
Syntax
HB_HPAIRAT( <hsTable>, <nPosition> ) -> <aKeyValue>
Arguments
<hsTable> a hash table, created by HB_HASH()
<nPosition> the position of an entry within the hash table that will be returned
Returns
A two-dimensional array of the key/value pair entry of the hash table
Compliance
Harbour
Merges a source hash table into a destination hash table
Syntax
HB_HMERGE( <hsDestination>, <hsSource>, <bBlock>|<nPosition> ) -> <hsDestination>
Arguments
<hsDestination> a destination hash table, created by HB_HASH()
<hsSource> a source hash table, created by HB_HASH()
<bBlock> a code block that will be evaluated for each entry within the source hash table; the code block will be passed the entry key, value and position; if the code block returns a true value, the entry will be added to the destination hash table
<nPosition> the position of an entry within the source hash table that will be appended to the destination hash table
Returns
The destination hash table with the contents of the source hash table merged
Compliance
Harbour
Returns an array of the keys of a hash table
Syntax
HB_HKEYS( <hsTable> ) -> <aKeys>
Arguments
<hsTable> a hash table, created by HB_HASH()
Returns
An array of all the hash table keys
Compliance
Harbour
Gets a hash table key at a given position
Syntax
HB_HKEYAT( <hsTable>, <nPosition> ) -> <Key>
Arguments
<hsTable> a hash table, created by HB_HASH()
<nPosition> the position of an entry within the hash table that will be returned
Returns
The key at the given position of the hash table; the type will be one: number, date, datetime, string, pointer
Compliance
Harbour