haystack.tag

Haystack data types.

Members

errorGrid Grid errorGrid(Exception ex): Undocumented in source. Be warned that the author may not have intended to support it.
errorGrid Grid errorGrid(string message): Make an error Grid
get T get(const(Dict) dict, string key): Get Dict property of type T, or if property is missing T.init
has bool has(const(Dict) dict, string col): Check if Dict contains column.
has bool has(const(Dict) dict, string key): Test if Dict has property of type T
missing bool missing(const(Dict) dict, string col): Check if Dict misses the column.
missing bool missing(const(Dict) dict, string key): Test if Dict misses property of type T
tag Tag tag(double val, string unit)
Tag tag(long val, string unit)
Tag tag(T t): Creates a Tag from a buildin type.
tag Tag tag(T t)
Tag tag(Num n)
Tag tag(List t): Creates a Tag from a Tag allowed type.
toStr Str toStr(const(Tag) tag): Undocumented in source. Be warned that the author may not have intended to support it.
toString string toString(const(Dict) dict): Undocumented in source. Be warned that the author may not have intended to support it.
toString string toString(const(List) list): Undocumented in source. Be warned that the author may not have intended to support it.

Date (from std.datetime) public import std.datetime : Date;: Undocumented in source.
DateTime (from std.datetime) public import std.datetime : DateTime;: Undocumented in source.
SysTime (from std.datetime) public import std.datetime : SysTime;: Undocumented in source.
TimeOfDay (from std.datetime) public import std.datetime : TimeOfDay;: Undocumented in source.

boolean Tag boolean [@property getter]: Creates a Bool ($D Tag).
dis string dis [@property getter]: Gets the 'dis' property for the Dict. If the Dict has no 'id' or no 'dis' then an empty string is returned, if there is an 'id' property but without a 'dis' the 'id' value is returned.
empty bool empty [@property getter]: Check if Dict is empty.
id immutable(Ref) id [@property getter]: Gets the 'id' key for the Dict. Returns a Ref.init otherwise
isNull const(Dict) isNull [@property setter]: Test if the Dict has a key of null value
marker Tag marker [@property getter]: Creates a Marker ($D Tag).
na Tag na [@property getter]: Creates a Na ($D Tag).
num double num [@property setter]
long num [@property setter]: Creates a Num ($D Tag).
str Tag str [@property getter]: Creates a Str ($D Tag).
uri Tag uri [@property getter]: Creates a Uri ($D Tag).

Bool struct Bool: Holds boolean "true" or "false" values.
Coord struct Coord: Latitude and Longitude global coordinates
GridImpl struct GridImpl(T): Haystack Grid.
Marker struct Marker: Marker tags are used to indicate a "type" or "is-a" relationship.
Na struct Na: Represents not available for missing data.
Num struct Num: Holds a numeric 64 bit floating point value
Ref struct Ref: Holds a Ref value
Str struct Str: Holds a string value
Tag struct Tag: Any haystack value type.
Time struct Time: Holds an ISO 8601 time as hour, minute, seconds and millisecs: 09:51:27.354
Uri struct Uri: Holds a Unversial Resource Identifier.
XStr struct XStr: Extended typed string which specifies a type name a string encoding