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authorJJ2023-10-27 07:51:37 +0000
committerJJ2023-10-27 07:51:37 +0000
commit6017d62db7600af491592e4f0d78611f33dc6b5e (patch)
treec2f42e4264692f92b0eded551617bf8bd8b1c948 /std/default
parent2ea4fd4c09ad71c4ac648cf3645426476dd7521f (diff)
minor updates
Diffstat (limited to 'std/default')
-rw-r--r--std/default/format.pk3
-rw-r--r--std/default/options.pk26
-rw-r--r--std/default/results.pk38
3 files changed, 33 insertions, 34 deletions
diff --git a/std/default/format.pk b/std/default/format.pk
index c7d7ab8..ec573ef 100644
--- a/std/default/format.pk
+++ b/std/default/format.pk
@@ -13,10 +13,11 @@ pub type Debug = interface
dbg(Self): str
## Prints all of its arguments to the command line.
-pub func print(params: varargs[Display]) =
+pub proc print(params: varargs[Display]) =
stdout.write(params.map(x => x.str).join(" "), "\n")
## Prints all of its arguments to the command line, in Debug form.
+## Note: this function is special! does not count as a side effect
pub func dbg(params: varargs[Debug]) =
stdout.write(params.map(x => x.dbg).join(" "), "\n")
diff --git a/std/default/options.pk b/std/default/options.pk
index 3aaea49..bbe0d9c 100644
--- a/std/default/options.pk
+++ b/std/default/options.pk
@@ -12,30 +12,30 @@ pub func is_some[T](self: Option[T]): bool =
pub func is_none[T](self: Option[T]): bool =
not self.is_some
-## Converts an Option[T] to a Result[T, E] given a user-provided error.
+## 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], proc: T -> U): Option[U] =
+## 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(x.proc)
+ Some(fn(x))
else:
None
-## Converts T to a None, if proc returns false and it exists.
-pub func filter[T](self: Option[T], proc: T -> bool): Option[T] =
- if self of Some(x) and proc(x):
+## 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 .map(func).flatten.
-pub func flatmap[T, U](self: Option[T], proc: T -> Option[U]): Option[U] =
+## 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):
- x.proc
+ fn(x)
else:
None
## Converts from Option[Option[T]] to Option[T].
@@ -55,14 +55,14 @@ pub yeet func `!`[T](self: Option[T]): T =
if self of Some(x): x
else: raise Exception # todo: syntax??
-## Indirect access. Propagates None.
+## Indirect access. Propagates `None`.
pub macro `?`[T](self: Option[T]) =
quote:
match self
of Some(x): x
of None: return None
-## Overloads the == operation for use on Options.
+## Overloads the `==` operation for use on Options.
pub func `==`[T](a, b: Option[T]): bool =
match (a, b)
of (Some(x), Some(y)):
@@ -70,7 +70,7 @@ pub func `==`[T](a, b: Option[T]): bool =
of _:
false
-## Overloads the str() function for use on Options.
+## 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)
diff --git a/std/default/results.pk b/std/default/results.pk
index 187ece9..4e4d27a 100644
--- a/std/default/results.pk
+++ b/std/default/results.pk
@@ -7,8 +7,6 @@ pub type Result[T, E] = union
Okay: T
Error: E
-# todo: determine the difference between interfaces and types
-# ErrorInterface? Errorable? Err?
pub type Error = interface
str(Self): str
dbg(Self): str
@@ -20,42 +18,42 @@ pub func is_ok[T, E](self: Result[T, E]): bool =
pub func is_err[T, E](self: Result[T, E]): bool =
not self.is_ok
-## Converts from a Result[T, E] to an Option[T].
+## Converts from a `Result[T, E]` to an `Option[T]`.
pub func ok[T, E](self: Result[T, E]): Option[T] =
if self of Okay(x):
Some(x)
else:
None()
-## Converts from a Result[T, E] to an Option[E].
+## Converts from a `Result[T, E]` to an `Option[E]`.
pub func err[T, E](self: Result[T, E]): Option[E] =
if self of Error(x):
Some(x)
else:
None()
-## Applies a function to T, if self is Okay.
-pub func map[T, E, U](self: Result[T, E], proc: T -> U): Result[U, E] =
+## Applies a function to `T`, if self is `Okay`.
+pub func map[T, E, U](self: Result[T, E], fn: T -> U): Result[U, E] =
match self
of Okay(x):
- Okay(x.proc)
+ Okay(fn(x))
of Error(e):
Error(e)
-## Applies a function to E, if self is Error.
-pub func map_err[T, E, F](self: Result[T, E], proc: E -> F): Result[T, F] =
+## Applies a function to `E`, if self is `Error`.
+pub func map_err[T, E, F](self: Result[T, E], fn: E -> F): Result[T, F] =
match self
of Error(e):
- Error(e.proc)
+ Error(e.fn)
of Okay(x):
Okay(x)
-## Applies a function to T, if it exists. Equivalent to .map(func).flatten.
-pub func flatmap[T, E, U](self: Result[T, E], proc: T -> Result[U, E]): Result[U, E] =
+## Applies a function to `T`, if it exists. Equivalent to `self.map(fn).flatten`.
+pub func flatmap[T, E, U](self: Result[T, E], fn: T -> Result[U, E]): Result[U, E] =
match self
of Okay(x):
- x.proc
+ fn(x)
of Error(e):
Error(e)
-## Converts from a Result[Result[T, E], E] to a Result[T, E].
+## Converts from a `Result[Result[T, E], E]` to a `Result[T, E]`.
pub func flatten[T, E](self: Result[Result[T, E], E]): Result[T, E] =
match self
of Okay(Okay(x)):
@@ -63,14 +61,14 @@ pub func flatten[T, E](self: Result[Result[T, E], E]): Result[T, E] =
of Okay(Error(e)), Error(e):
Error(e)
-## Transposes a Result[Option[T], E] to an Option[Result[T, E]].
+## Transposes a `Result[Option[T], E]` to an `Option[Result[T, E]]`.
pub func transpose[T, E](self: Result[Option[T], E]): Option[Result[T, E]] =
match self
of Okay(Some(x)):
Some(Okay(x))
of Okay(None()), Error(_):
None()
-## Transposes an Option[Result[T, E]] to a Result[Option[T], E]. Takes a default error.
+## Transposes an `Option[Result[T, E]]` to a `Result[Option[T], E]`. Takes a default error.
pub func transpose[T, E](self: Option[Result[T, E]], error: E): Result[Option[T], E] =
match self
of Some(Okay(x)):
@@ -84,7 +82,7 @@ pub func transpose[T, E](self: Option[Result[T, E]], error: E): Result[Option[T]
pub func get_or[T, E](self: Result[T, E], default: T): T =
if self of Okay(x): x
else: default
-## Directly accesses the inner value. Throws an exception if Error(e).
+## Directly accesses the inner value. Throws an exception if `Error`.
pub yeet func `!`[T, E](self: Result[T, E]): T =
match self
of Okay(x): x
@@ -94,14 +92,14 @@ pub yeet func get_err[T, E](self: Result[T, E]): E =
of Error(e): e
of Okay(x): raise Exception(x) # todo: syntax??
-## Indirect access. Propagates Error.
+## Indirect access. Propagates `Error`.
macro `?`[T, E](self: Result[T, E]) =
quote:
match self
of Okay(x): x
of Error(e): return Error(e)
-## Overloads the == operation for use on Results.
+## Overloads the `==` operation for use on Results.
pub func `==`[T, E, F](a: Result[T, E], b: Result[T, F]): bool =
match (a, b)
of (Okay(x), Okay(y)):
@@ -109,7 +107,7 @@ pub func `==`[T, E, F](a: Result[T, E], b: Result[T, F]): bool =
of _:
false
-## Overloads the str() function for use on Results.
+## Overloads the `str()` function for use on Results.
pub func str[T, E](self: Result[T, E]): str =
match self
of Some(x):