1 files changed, 0 insertions, 97 deletions
diff --git a/std/default/options.pk b/std/default/options.pk
deleted file mode 100644
index fb696ba..0000000
--- a/std/default/options.pk
+++ /dev/null
@@ -1,97 +0,0 @@
-## std/options: Optional types.
-## This module is imported by default.
-
-use std.format
-
-## The `Option` type.
-## A type that represents either the presence or absence of a value.
-pub type Option[T] = union
-  Some(T)
-  None
-
-## Checks if a type is present within an `Option` type.
-pub func is_some[T](self: Option[T]): bool =
-  self of Some(_)
-## Checks if a type is not present within an `Option` type.
-pub func is_none[T](self: Option[T]): bool =
-  self of None
-
-## Converts an `Option[T]` to a `Result[T, E]` given a user-provided error.
-pub func err[T, E](self: Option[T], error: E): Result[T, E] =
-  if self of Some(x):
-    Okay(x)
-  else:
-    Error(error)
-
-## Applies a function to `T`, if it exists.
-pub func map[T, U](self: Option[T], fn: T -> U): Option[U] =
-  if self of Some(x):
-    Some(fn(x))
-  else:
-    None
-## Converts `T` to a `None`, if `fn` returns false and it exists.
-pub func filter[T](self: Option[T], fn: T -> bool): Option[T] =
-  if self of Some(x) and fn(x):
-    Some(x)
-  else:
-    None
-
-## Applies a function to T, if it exists. Equivalent to `self.map(fn).flatten`.
-pub func flatmap[T, U](self: Option[T], fn: T -> Option[U]): Option[U] =
-  if self of Some(x):
-    fn(x)
-  else:
-    None
-## Converts from Option[Option[T]] to Option[T].
-pub func flatten[T](self: Option[Option[T]]): Option[T] =
-  match self
-  of Some(Some(x)):
-    Some(x)
-  of _:
-    None
-
-## Returns the inner value or a default.
-pub func get_or[T](self: Option[T], default: T): T =
-  if self of Some(x): x
-  else: default
-## Directly accesses the inner value. Throws an exception if None.
-pub func ![T](self: Option[T]): T =
-  if self of Some(x): x
-  else: raise Exception # todo: syntax??
-
-## Indirect access. Propagates `None`.
-## Parsed by compiler magic.
-pub macro ?[T](self: Option[T]) =
-  quote:
-    match `self`
-    of Some(x): x
-    of None: return None
-
-## Syntactic sugar for optional type declarations.
-pub macro ?(T: type) =
-  quote:
-    Option[`T`]
-
-## Overloads the `==` operation for use on Options.
-pub func ==[T](a, b: Option[T]): bool =
-  match (a, b)
-  of (Some(x), Some(y)):
-    x == y
-  of _:
-    false
-
-## Overloads the `str()` function for use on Options.
-pub func str[T](self: Option[T]): str =
-  if self of Some(x):
-    fmt("Some({})", x.str)
-  else:
-    "None"
-
-examples:
-  let x = Some(42)
-  if x of Some(y):
-    assert x! == y
-
-# references:
-# https://nim-lang.github.io/Nim/options.html
-# https://doc.rust-lang.org/std/option/enum.Option.html