VarArgs.hx 1.7 KB

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  1. /*
  2. * Copyright (C)2005-2019 Haxe Foundation
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a
  5. * copy of this software and associated documentation files (the "Software"),
  6. * to deal in the Software without restriction, including without limitation
  7. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8. * and/or sell copies of the Software, and to permit persons to whom the
  9. * Software is furnished to do so, subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice shall be included in
  12. * all copies or substantial portions of the Software.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20. * DEALINGS IN THE SOFTWARE.
  21. */
  22. package python;
  23. import python.internal.UBuiltins.list;
  24. /**
  25. This type represents python `*args` feature, supporting
  26. passing arbitrary number of arguments to a function.
  27. Example:
  28. ```haxe
  29. function f(args:VarArgs<Int>) {}
  30. f([1, 2, 3]);
  31. ```
  32. **/
  33. @:analyzer(no_simplification)
  34. abstract VarArgs<T>(Dynamic) {
  35. inline function new(d:Array<T>) {
  36. this = d;
  37. }
  38. inline function raw():Dynamic {
  39. return this;
  40. }
  41. @:to public inline function toArray():Array<T> {
  42. return if (!Std.isOfType(raw(), Array)) list(raw()) else (raw() : Array<T>);
  43. }
  44. @:from static inline function fromArray<T>(d:Array<T>):VarArgs<T> {
  45. return new VarArgs(d);
  46. }
  47. }