Reowkred into a namespace structure that splits different utils into seperate packages with the prefix `flan-utils-`.

Fortune for flan-utils-rs's current commit: Future curse − 末凶

Cargo.toml

@@ -1,19 +1,14 @@
-[package]
-name = "flan-utils"
-version = "0.1.0"
-authors = ["Avril <flanchan@cumallover.me>"]
-edition = "2018"
-license = "MIT"
+[workspace]
+members = [
+	"flan-utils-macros",
+	"flan-utils-iter",
+]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[profile.release]
+opt-level = 3
+lto = "fat"
+codegen-units = 1
+panic = "unwind"
+strip=true
 
-[features]
-default = ["macros"]
 
-# #![no_std] support
-no_std = []
-
-# Enable the macros section
-macros = []
-
-[dependencies]

flan-utils-iter/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "flan-utils-iter"
+version = "0.1.0"
+authors = ["Avril <flanchan@cumallover.me>"]
+edition = "2018"
+license = "MIT"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+
+[dependencies]

flan-utils-iter/src/ext.rs

@@ -0,0 +1,34 @@
+//! Extensions
+use super::*;
+use std::{
+    iter::{self, Fuse,}
+};
+pub trait TaekTwoExt: Iterator
+{
+    fn take_two(self) -> TakeTwo<Self>;
+}
+
+#[derive(Debug, Clone)]
+pub struct TakeTwo<I: ?Sized + Iterator>(I);
+
+impl<T, I: Iterator<Item=T> + ?Sized> Iterator for TakeTwo<I>
+{
+    type Item = (T, Option<T>);
+    #[inline] 
+    fn next(&mut self) -> Option<Self::Item>
+    {
+	let first = self.0.next()?;
+	Some((first, self.0.next()))
+    }
+}
+
+impl<I: Iterator> TaekTwoExt for I
+where I: Iterator + Sized
+{
+    #[inline] 
+    fn take_two(self) -> TakeTwo<Self> {
+	TakeTwo(self)
+    }
+}
+
+//TODO: XXX: Copy all other iterator `ext` traits like `Collection: Extend<T>, U: Into<T>` (e.g. `String` with `char`) joining and such from older projects

flan-utils-iter/src/lib.rs

@@ -0,0 +1,13 @@
+//! Collection of iterator (and tuple) tools
+mod ext;
+pub mod tuple;
+pub use crate::{
+    ext::{
+	TaekTwoExt,
+	TakeTwo,
+    },
+    tuple::{
+	UntupleTwoExt,
+	TryUntupleTwoExt,
+    },
+};

flan-utils-iter/src/tuple.rs

@@ -0,0 +1,79 @@
+//! Tuple traits
+use super::*;
+
+pub trait TryUntupleTwoExt<T,U>: Sized
+{
+    type Wrapper<S>;
+    fn both(self) -> Self::Wrapper<(T, U)>;
+}
+
+impl<T, U> TryUntupleTwoExt<T, U> for (T, Option<U>)
+{
+    type Wrapper<S> = Option<S>;
+    #[inline] 
+    fn both(self) -> Self::Wrapper<(T, U)> {
+	match self {
+	    (first, Some(second)) => Some((first, second)),
+	    _ => None,
+	}
+    }
+}
+
+impl<T, U> TryUntupleTwoExt<T, U> for (Option<T>, U)
+{
+    type Wrapper<S> = Option<S>;
+    #[inline] 
+    fn both(self) -> Self::Wrapper<(T, U)> {
+	match self {
+	    (Some(first), second) => Some((first, second)),
+	    _ => None,
+	}
+    }
+}
+
+impl<T, U> TryUntupleTwoExt<T, U> for (Option<T>, Option<U>)
+{
+    type Wrapper<S> = Option<S>;
+    #[inline] 
+    fn both(self) -> Self::Wrapper<(T, U)> {
+	match self {
+	    (Some(first), Some(second)) => Some((first, second)),
+	    _ => None,
+	}
+    }
+}
+
+pub trait UntupleTwoExt<T,U,V>: Sized
+{
+    type Unwrapped<A,B,C>;
+    
+    fn untuple(self) -> Self::Unwrapped<T,U,V>;
+}
+
+impl<T, U, V> UntupleTwoExt<T,U,V> for (T, (U, V))
+{
+    type Unwrapped<A,B,C> = (A,B,C);
+    #[inline] 
+    fn untuple(self) -> Self::Unwrapped<T,U,V> {
+	(self.0, self.1.0, self.1.1)
+    }
+}
+
+impl<T, U> UntupleTwoExt<T,U,()> for (T, (U,))
+{
+    type Unwrapped<A,B,C> = (A,B);
+    #[inline] 
+    fn untuple(self) -> Self::Unwrapped<T,U,()> {
+	(self.0, self.1.0)
+    }
+}
+
+impl<T> UntupleTwoExt<T,(),()> for (T,)
+{
+    type Unwrapped<A,B,C> = A;
+    #[inline] 
+    fn untuple(self) -> Self::Unwrapped<T,(),()> {
+	self.0
+    }
+}
+

flan-utils-macros/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "flan-utils-macros"
+version = "0.1.0"
+authors = ["Avril <flanchan@cumallover.me>"]
+edition = "2018"
+license = "MIT"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+default = ["macros"]
+
+# #![no_std] support
+no_std = []
+
+# Enable the macros section
+macros = []
+
+[dependencies]