Prepare for change in error handling.

Dependencies

• [2] 65C2F32D Generalized to any data source and parser.
• [3] UUD3CJZL Making error handling more comprehensive.
• [4] 5B2HBV3J Completed first try at ts Json data-structure.
• [5] SAHJYVNB Removed checking functionality.
• [6] TSY4YBBZ Changed ts Spec datastructures to new format.
• [7] K4CH53V4 Added GPL2 license, included missing source files.
• [8] UKQAGL5F Checked ts_json toolchain.
• [9] SPSFTMLR Completed loading ts_data from specification.
• [10] XPXYFEZM Finished code for building TSJson struct.
• [11] PK7JY27R Integrate date_range with transforms.
• [*] GUXZCEWW Added Country enum.
• [*] 4MG5JFXT First record.

Change contents

• replacement in src/parser.rs at line 20
  [2.5749]→[2.5749:5771](∅→∅)
  − drop_first: usize
  [2.5749]

  [2.5771]
  + pub drop_first: usize
• edit in src/parser.rs at line 120
  [2.8239]

  [2.8239]
  +

  + pub (crate) fn drop_first(&self) -> usize {

  + self.0.drop_first

  + }
• edit in src/main.rs at line 31
  [3.221]→[3.10766:10931](∅→∅)
  − // println!("{}", DataSelector::from_file("germany_selector.keytree")

  − // .into_data_spec()

  − // .unwrap()

  − // .keytree());

  −
• edit in src/lib.rs at line 515
  [3.5590]→[3.5119:5179](∅→∅)
  − drop_first: series_spec.drop_first,
• edit in src/lib.rs at line 558
  [3.599]

  [3.599]
  + dbg!(path);
• edit in src/lib.rs at line 715
  [3.5966]→[3.8031:8070](∅→∅),[3.8031]→[3.8031:8070](∅→∅)
  − pub drop_first: Option<usize>,
• replacement in src/lib.rs at line 906
  [3.8816]→[3.8816:8923](∅→∅)
  − if let Some(drop) = &self.drop_first {

  − kt.push_value(1, "drop_first", drop);

  − }
  [3.8816]

  [3.8923]
  + if let ParserSpec::FredDailySpec(_) = self.parser {

  + kt.push_value(1, "parse_cat", "fred_daily")

  + };

  +

  + if let ParserSpec::FredSpec(parser_spec) = self.parser {

  + if parser_spec.drop_first != 0 {

  + kt.push_key(1, "parser");

  + kt.push_value(2, "drop_first", parser_spec.drop_first.to_string());

  + }

  + };
• edit in src/lib.rs at line 921
  [3.12165]

  [3.12165]
  + // series:

  + // data_type: int

  + // country: United States

  + // series_id: DPRIME

  + // parse_cat: fred_daily

  + //

  + // seriess:

  + // series:

  + // country: United States

  + // data_type: int

  + // series_id: DPRIME

  +
• replacement in src/lib.rs at line 966
  [2.20015]→[2.20015:20096](∅→∅)
  − (true, true) => Err(keytree_selection_failed(file!(), line!()))?,
  [2.20015]

  [2.20096]
  + (true, true) => Err(custom(file!(), line!(), "Only one parser allowed."))?,
• edit in src/lib.rs at line 975
  [3.4415]→[3.12532:12599](∅→∅),[3.9258]→[3.12532:12599](∅→∅),[2.20137]→[3.12532:12599](∅→∅),[3.12532]→[3.12532:12599](∅→∅)
  − drop_first: self.opt_value("series::drop_first")?,
• edit in src/fred.rs at line 117
  [3.9454]→[3.9392:9435](∅→∅),[3.9392]→[3.9392:9435](∅→∅)
  − drop_first: None,
• edit in src/fred.rs at line 170
  [3.9634]→[3.11229:11272](∅→∅),[3.11229]→[3.11229:11272](∅→∅)
  − drop_first: None,