chore: rename project and lib crate

01.workspace/Cargo.toml

@@ -1,5 +1,3 @@
 [workspace]
-
 resolver = "3"
-
 members = ["oxidice_lib"]

01.workspace/oxidice_lib/examples/roll_3d6.rs

@@ -1,6 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let outcome = Handful::grab(3, 6).roll();
-    println!("{outcome}");
-}

01.workspace/oxidice_lib/examples/roll_4D_Fudge.rs

@@ -1,7 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let roll = Handful::grab_range(4, -1..=1).roll();
-    let sum = roll.clone().sum().unwrap();
-    println!("{} -> {}", roll, sum);
-}

01.workspace/oxidice_lib/examples/roll_4d6_keep_3.rs

@@ -1,11 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let roll = Handful::grab(4, 6).roll();
-    print!("{roll} -> ");
-    let roll = roll.keep_highest(3).unwrap();
-    print!("{roll} -> ");
-    let roll = roll.sum().unwrap();
-    print!("{roll}");
-    println!();
-}

01.workspace/oxidice_lib/examples/roll_4d6_keep_3_lowest.rs

@@ -1,10 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let result = Handful::grab(4, 6).roll();
-    print!("{result} -> ");
-    let result = result.keep_lowest(3).unwrap();
-    print!("{result} -> ");
-    let result = result.sum().unwrap();
-    println!("{result}");
-}

01.workspace/oxidice_lib/examples/roll_d20_with_advantage.rs

@@ -1,7 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let roll_result = Handful::grab(2, 20).roll();
-    let result = roll_result.clone().max().unwrap();
-    println!("{} -> {}", roll_result, result);
-}

01.workspace/oxidice_lib/examples/roll_d20_with_disadvantage.rs

@@ -1,7 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let roll_result = Handful::grab(2, 20).roll();
-    let result = roll_result.clone().min().unwrap();
-    println!("{} -> {}", roll_result, result);
-}

01.workspace/oxidice_lib/examples/roll_exploding_d6.rs

@@ -1,6 +0,0 @@
-use oxidice_lib::dice::*;
-
-fn main() {
-    let roll = Handful::grab_exploding(1, 6, 6).roll();
-    println!("{roll}");
-}

01.workspace/oxidice_lib/examples/roll_ose_stats.rs

@@ -1,16 +1,17 @@
 use oxidice_lib::dice::*;
 
-fn main() {
-    let str = Handful::grab(3, 6).roll().sum().unwrap();
-    let int = Handful::grab(3, 6).roll().sum().unwrap();
-    let wis = Handful::grab(3, 6).roll().sum().unwrap();
-    let dex = Handful::grab(3, 6).roll().sum().unwrap();
-    let con = Handful::grab(3, 6).roll().sum().unwrap();
-    let cha = Handful::grab(3, 6).roll().sum().unwrap();
-    println!("STR: {}", str);
-    println!("INT: {}", int);
-    println!("WIS: {}", wis);
-    println!("DEX: {}", dex);
-    println!("CON: {}", con);
-    println!("CHA: {}", cha);
+fn main() -> Result<(), FailedTo>{
+    let str = Dice::grab(3, 6).roll().sum()?;
+    let int = Dice::grab(3, 6).roll().sum()?;
+    let wis = Dice::grab(3, 6).roll().sum()?;
+    let dex = Dice::grab(3, 6).roll().sum()?;
+    let con = Dice::grab(3, 6).roll().sum()?;
+    let cha = Dice::grab(3, 6).roll().sum()?;
+    println!("STR: {str}");
+    println!("INT: {int}");
+    println!("WIS: {wis}");
+    println!("DEX: {dex}");
+    println!("CON: {con}");
+    println!("CHA: {cha}");
+    Ok(())
 }

01.workspace/oxidice_lib/src/imp/dice_grab.rs

@@ -0,0 +1,20 @@
+use crate::*;
+
+impl Dice {
+    pub fn grab(dice: u16, sides: u16) -> Self {
+        let mut handful = Vec::<Die>::new();
+        for _ in 1..=dice {
+            handful.push(Die::new(sides));
+        }
+        Self {
+            handful,
+            roll_results: Vec::<u16>::new(),
+        }
+    }
+    pub fn and_grab(mut self, dice: u16, sides: u16) -> Self {
+        for _ in 1..=dice {
+            self.handful.push(Die::new(sides));
+        }
+        self
+    }
+}

01.workspace/oxidice_lib/src/imp/dice_roll.rs

@@ -0,0 +1,11 @@
+use crate::*;
+
+impl Dice {
+    pub fn roll(mut self) -> Self {
+        self.roll_results.clear();
+        for die in &self.handful {
+            self.roll_results.push(die.roll())
+        }
+        self
+    }
+}

01.workspace/oxidice_lib/src/imp/dice_sum.rs

@@ -0,0 +1,16 @@
+use crate::*;
+
+impl Dice {
+    pub fn sum(self) -> Result<Sum, FailedTo> {
+        let mut result = Sum::default();
+        for roll_result in self.roll_results {
+            result.roll_results.push(roll_result);
+            result.sum = result
+                .sum
+                .checked_add(roll_result.into())
+                .and_then(|r| r.checked_add(1u64))
+                .ok_or(FailedTo::Sum)?;
+        }
+        Ok(result)
+    }
+}

01.workspace/oxidice_lib/src/imp/die_roll.rs

@@ -1,47 +1,11 @@
 use crate::*;
-use std::ops::*;
-
-fn roll_sides(sides: u16) -> Vec<i32> {
-    let mut rng = rand::rng();
-    vec![rng.random_range(1..=sides as i32)]
-}
-
-fn roll_range(range: RangeInclusive<i32>) -> Vec<i32> {
-    let mut rng = rand::rng();
-    vec![rng.random_range(range)]
-}
-
-fn roll_exploding(sides: u16, threshold: i32) -> Vec<i32> {
-    let mut rng = rand::rng();
-    let mut results = Vec::<i32>::new();
-    loop {
-        let result: i32 = rng.random_range(1..=sides as i32);
-        results.push(result);
-        if result < threshold {
-            break;
-        }
-    }
-    results
-}
 
 impl Die {
-    pub fn roll(&self) -> Vec<i32> {
-        match self {
-            Die::Exploding(sides, threshold) => roll_exploding(*sides, *threshold),
-            Die::Range(range) => roll_range(range.clone()),
-            Die::Sides(sides) => roll_sides(*sides),
-        }
+    pub fn roll(&self) -> u16 {
+        let mut rng = rand::rng();
+        rng.random_range(0..self.sides)
     }
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-    #[test]
-    fn check_roll_range() {
-        let die = Die::Range(5..=5);
-        for _ in 1..=1000 {
-            assert_eq!(die.roll(), [5]);
-        }
-    }
-}
+// #[cfg(test)]
+// mod unit_tests { use super::*; }

01.workspace/oxidice_lib/src/imp/handful_grab.rs

@@ -1,26 +0,0 @@
-use crate::*;
-use std::ops::*;
-
-impl Handful {
-    pub fn grab(dice_num: u16, sides: u16) -> Self {
-        let mut dice = Vec::<Die>::new();
-        for _ in 1..=dice_num {
-            dice.push(Die::Sides(sides));
-        }
-        Self { dice }
-    }
-    pub fn grab_range(dice_num: u16, range: RangeInclusive<i32>) -> Self {
-        let mut dice = Vec::<Die>::new();
-        for _ in 1..=dice_num {
-            dice.push(Die::Range(range.clone()));
-        }
-        Self { dice }
-    }
-    pub fn grab_exploding(dice_num: u16, sides: u16, threshold: i32) -> Self {
-        let mut dice = Vec::<Die>::new();
-        for _ in 1..=dice_num {
-            dice.push(Die::Exploding(sides, threshold));
-        }
-        Self { dice }
-    }
-}

01.workspace/oxidice_lib/src/imp/handful_roll.rs

@@ -1,14 +0,0 @@
-use crate::*;
-
-impl Handful {
-    pub fn roll(self) -> Outcome {
-        let mut die_rolls = Vec::<i32>::new();
-        for die in self.dice {
-            die_rolls.append(&mut die.roll());
-        }
-        Outcome::List(die_rolls)
-    }
-}
-
-// #[cfg(test)]
-// mod unit_tests { use super::*; }

01.workspace/oxidice_lib/src/imp/mod.rs

@@ -1,8 +1,5 @@
+pub mod dice_grab;
+pub mod dice_roll;
+pub mod dice_sum;
 pub mod die_roll;
-pub mod handful_grab;
-pub mod handful_roll;
-pub mod outcome_keep_highest;
-pub mod outcome_keep_lowest;
-pub mod outcome_max;
-pub mod outcome_min;
-pub mod outcome_sum;
+pub mod sum_display;

01.workspace/oxidice_lib/src/imp/outcome_keep_highest.rs

@@ -1,22 +0,0 @@
-use crate::*;
-use std::cmp::*;
-
-impl Outcome {
-    pub fn keep_highest(self, dice_num: u16) -> Result<Outcome, FailedTo> {
-        if dice_num == 0 {
-            return Err(FailedTo::ProcessInput);
-        }
-        match self {
-            Outcome::Scalar(value) => Ok(Outcome::List(vec![value])),
-            Outcome::List(mut values) => {
-                values.sort_by_key(|&num| Reverse(num));
-                Ok(Outcome::List(
-                    values.into_iter().take(dice_num as usize).collect(),
-                ))
-            }
-        }
-    }
-}
-
-// #[cfg(test)]
-// mod unit_tests { use super::*; }

01.workspace/oxidice_lib/src/imp/outcome_keep_lowest.rs

@@ -1,21 +0,0 @@
-use crate::*;
-
-impl Outcome {
-    pub fn keep_lowest(self, dice_num: u16) -> Result<Outcome, FailedTo> {
-        if dice_num == 0 {
-            return Err(FailedTo::ProcessInput);
-        }
-        match self {
-            Outcome::Scalar(value) => Ok(Outcome::List(vec![value])),
-            Outcome::List(mut values) => {
-                values.sort();
-                Ok(Outcome::List(
-                    values.into_iter().take(dice_num as usize).collect(),
-                ))
-            }
-        }
-    }
-}
-
-// #[cfg(test)]
-// mod unit_tests { use super::*; }

01.workspace/oxidice_lib/src/imp/outcome_max.rs

@@ -1,41 +0,0 @@
-use crate::*;
-
-fn max_of(values: Vec<i32>) -> Result<Outcome, FailedTo> {
-    if values.is_empty() {
-        return Err(FailedTo::ProcessInput);
-    }
-    let ret = Ok(Outcome::Scalar(i32::MIN));
-    ret.and_then(|_| {
-        values
-            .iter()
-            .max()
-            .ok_or(FailedTo::FindMax)
-            .map(|min| Outcome::Scalar(*min))
-    })
-}
-
-impl Outcome {
-    pub fn max(self) -> Result<Outcome, FailedTo> {
-        match self {
-            Outcome::Scalar(value) => Ok(Outcome::Scalar(value)),
-            Outcome::List(values) => max_of(values),
-        }
-    }
-}
-
-#[cfg(test)]
-mod unit_tests {
-    use super::*;
-    #[test]
-    fn check_max() {
-        let outcome = Handful::grab(2, 20).roll();
-        let max = outcome.clone().max().unwrap();
-        match outcome {
-            Outcome::List(values) => {
-                let expected_max = values.iter().max().unwrap();
-                assert_eq!(max, Outcome::Scalar(*expected_max));
-            }
-            _ => panic!("outcome is not a list"),
-        }
-    }
-}

01.workspace/oxidice_lib/src/imp/outcome_min.rs

@@ -1,40 +0,0 @@
-use crate::*;
-
-fn min_of(values: Vec<i32>) -> Result<Outcome, FailedTo> {
-    if values.is_empty() {
-        return Err(FailedTo::ProcessInput);
-    }
-    Ok(Outcome::Scalar(i32::MIN)).and_then(|_| {
-        values
-            .iter()
-            .min()
-            .ok_or(FailedTo::FindMin)
-            .map(|min| Outcome::Scalar(*min))
-    })
-}
-
-impl Outcome {
-    pub fn min(self) -> Result<Outcome, FailedTo> {
-        match self {
-            Outcome::Scalar(value) => Ok(Outcome::Scalar(value)),
-            Outcome::List(values) => min_of(values),
-        }
-    }
-}
-
-#[cfg(test)]
-mod unit_tests {
-    use super::*;
-    #[test]
-    fn check_min() {
-        let roll_result = Handful::grab(2, 20).roll();
-        let min_result = roll_result.clone().min().unwrap();
-        match roll_result {
-            Outcome::List(values) => {
-                let min = values.iter().min().unwrap();
-                assert_eq!(min_result, Outcome::Scalar(*min));
-            }
-            _ => panic!("result is not a list"),
-        }
-    }
-}

01.workspace/oxidice_lib/src/imp/outcome_sum.rs

@@ -1,37 +0,0 @@
-use crate::*;
-
-fn sum_of(values: Vec<i32>) -> Result<Outcome, FailedTo> {
-    if values.is_empty() {
-        return Ok(Outcome::Scalar(0));
-    }
-    let mut ret = Ok(Outcome::Scalar(0));
-    for value in values {
-        ret = ret.and_then(|outcome: Outcome| match outcome {
-            Outcome::List(_) => Err(FailedTo::ProcessInput),
-            Outcome::Scalar(acc) => acc
-                .checked_add(value)
-                .map(|new_acc: i32| Outcome::Scalar(new_acc))
-                .ok_or(FailedTo::SumValues),
-        })
-    }
-    ret
-}
-
-impl Outcome {
-    pub fn sum(self) -> Result<Outcome, FailedTo> {
-        match self {
-            Outcome::Scalar(value) => Ok(Outcome::Scalar(value)),
-            Outcome::List(values) => sum_of(values),
-        }
-    }
-}
-
-#[cfg(test)]
-mod unit_tests {
-    use super::*;
-    #[test]
-    fn check_sum() {
-        let outcome = Handful::grab(5, 1).roll().sum();
-        assert_eq!(outcome, Ok(Outcome::Scalar(5)));
-    }
-}

01.workspace/oxidice_lib/src/imp/sum_display.rs

@@ -0,0 +1,17 @@
+use crate::*;
+
+impl fmt::Display for Sum {
+    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+        let str_results: Vec<String> = self
+            .roll_results
+            .iter()
+            .map(|r| r.checked_add(1))
+            .map(|o| o.unwrap_or(0))
+            .map(|r| r.to_string())
+            .collect();
+        write!(f, "[{}]", str_results.join(", "))?;
+        write!(f, " -> ")?;
+        write!(f, "{}", self.sum)?;
+        Ok(())
+    }
+}

01.workspace/oxidice_lib/src/lib.rs

@@ -1,6 +1,7 @@
-use rand::*;
 use std::*;
 
+use rand::*;
+
 mod fun;
 mod imp;
 mod mcr;
@@ -8,12 +9,13 @@ mod str;
 mod trt;
 mod tst;
 
-pub(crate) use crate::str::die::E as Die;
+pub(crate) use crate::str::dice::O as Dice;
+pub(crate) use crate::str::die::O as Die;
 pub(crate) use crate::str::failed_to::E as FailedTo;
-pub(crate) use crate::str::handful::O as Handful;
-pub(crate) use crate::str::outcome::E as Outcome;
+pub(crate) use crate::str::sum::O as Sum;
 
 pub mod dice {
-    pub use crate::str::handful::O as Handful;
-    pub use crate::str::outcome::E as Outcome;
+    pub use crate::str::dice::O as Dice;
+    pub use crate::str::sum::O as Sum;
+    pub use crate::str::failed_to::E as FailedTo;
 }

01.workspace/oxidice_lib/src/str/dice.rs

@@ -0,0 +1,18 @@
+use crate::*;
+
+#[derive(Debug, Default, PartialEq, Clone)]
+pub struct O {
+    pub(crate) handful: Vec<Die>,
+    pub(crate) roll_results: Vec<u16>,
+}
+
+// impl std::fmt::Display for O {
+// fn fmt(&self, _f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
+// todo!();
+// }
+// }
+
+// #[cfg(test)]
+// mod unit_tests {
+// use super::*;
+// }

01.workspace/oxidice_lib/src/str/die.rs

@@ -1,54 +1,12 @@
 use crate::*;
-use std::ops::*;
-// use std::fmt::Display;
-// use std::str::FromStr;
 
-#[derive(Debug, PartialEq, Eq, Clone, Hash)]
-pub enum E {
-    Exploding(u16, i32),
-    Range(RangeInclusive<i32>),
-    Sides(u16),
+#[derive(Debug, Default, PartialEq, Clone)]
+pub struct O {
+    pub(crate) sides: u16,
 }
 
-// impl Display for E {
-// fn fmt(&self, f: &mut std::fmt::Formatter) -> std::result::Result<(), std::fmt::Error> {
-// match self {
-// Self::NoValue => write!(f, "NoValue"),
-// }
-// }
-// }
-
-// impl FromStr for E {
-// type Err = Box<dyn std::error::Error>;
-// fn from_str(value: &str) -> std::result::Result<Self, Box<dyn std::error::Error>> {
-// match value {
-// "NoValue" => Ok(Self::NoValue),
-// _ => unreachable!(),
-// }
-// }
-// }
-
-// #[cfg(test)]
-// mod unit_tests {
-// use super::*;
-// #[test]
-// fn check_001() {
-// for value in [E::NoValue] {
-// match value {
-// E::NoValue => assert_eq!(
-// E::NoValue,
-// E::from_str("NoValue").unwrap()
-// ),
-// }
-// }
-// }
-//
-// #[test]
-// fn check_002() {
-// for value in [E::NoValue] {
-// match value {
-// E::NoValue => assert_eq!(&E::NoValue.to_string(), "NoValue"),
-// }
-// }
-// }
-// }
+impl Die {
+    pub fn new(sides: u16) -> Self {
+        Self { sides }
+    }
+}

01.workspace/oxidice_lib/src/str/failed_to.rs

@@ -4,10 +4,7 @@
 
 #[derive(Debug, PartialEq, PartialOrd, Eq, Ord, Clone, Copy, Hash)]
 pub enum E {
-    FindMax,
-    FindMin,
-    ProcessInput,
-    SumValues,
+    Sum,
 }
 
 // impl Display for E {

01.workspace/oxidice_lib/src/str/mod.rs

@@ -1,4 +1,4 @@
+pub mod dice;
 pub mod die;
 pub mod failed_to;
-pub mod handful;
-pub mod outcome;
+pub mod sum;

01.workspace/oxidice_lib/src/str/outcome.rs

@@ -1,60 +0,0 @@
-use crate::*;
-use std::fmt::Display;
-// use std::str::FromStr;
-
-#[derive(Debug, PartialEq, PartialOrd, Eq, Ord, Clone, Hash)]
-pub enum E {
-    Scalar(i32),
-    List(Vec<i32>),
-}
-
-impl Display for E {
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::result::Result<(), std::fmt::Error> {
-        match self {
-            Self::Scalar(value) => write!(f, "{}", value),
-            Self::List(value) => {
-                let str_list = value
-                    .iter()
-                    .map(|item| item.to_string())
-                    .collect::<Vec<String>>()
-                    .join(", ");
-                write!(f, "[{}]", str_list)
-            }
-        }
-    }
-}
-
-// impl FromStr for E {
-// type Err = Box<dyn std::error::Error>;
-// fn from_str(value: &str) -> std::result::Result<Self, Box<dyn std::error::Error>> {
-// match value {
-// "NoValue" => Ok(Self::NoValue),
-// _ => unreachable!(),
-// }
-// }
-// }
-
-// #[cfg(test)]
-// mod unit_tests {
-// use super::*;
-// #[test]
-// fn check_001() {
-// for value in [E::NoValue] {
-// match value {
-// E::NoValue => assert_eq!(
-// E::NoValue,
-// E::from_str("NoValue").unwrap()
-// ),
-// }
-// }
-// }
-//
-// #[test]
-// fn check_002() {
-// for value in [E::NoValue] {
-// match value {
-// E::NoValue => assert_eq!(&E::NoValue.to_string(), "NoValue"),
-// }
-// }
-// }
-// }

01.workspace/oxidice_lib/src/str/sum.rs

@@ -2,7 +2,8 @@ use crate::*;
 
 #[derive(Debug, Default, PartialEq, Clone)]
 pub struct O {
-    pub(crate) dice: Vec<Die>,
+    pub(crate) roll_results: Vec<u16>,
+    pub(crate) sum: u64,
 }
 
 // impl std::fmt::Display for O {

01.workspace/oxidice_lib/src/tst/dice_grab.rs

@@ -0,0 +1,28 @@
+#[cfg(test)]
+mod tests {
+    use crate::*;
+    #[test]
+    pub fn grab_should_set_correct_number_of_dice() {
+        let dice = Dice::grab(3, 6);
+        assert_eq!(dice.handful.len(), 3);
+    }
+    #[test]
+    pub fn grab_should_set_correct_number_of_sides() {
+        let dice = Dice::grab(3, 6);
+        for idx in 0..=2 {
+            assert_eq!(dice.handful[idx].sides, 6);
+        }
+    }
+    #[test]
+    fn and_grab_should_add_correct_number_of_dice() {
+        let dice = Dice::grab(3, 6).and_grab(2, 8);
+        assert_eq!(dice.handful.len(), 5);
+    }
+    #[test]
+    fn and_grab_should_set_correct_number_of_sides() {
+        let dice = Dice::grab(3, 6).and_grab(2, 8);
+        for idx in 3..4 {
+            assert_eq!(dice.handful[idx].sides, 8);
+        }
+    }
+}

01.workspace/oxidice_lib/src/tst/dice_roll.rs

@@ -0,0 +1,15 @@
+#[cfg(test)]
+mod tests {
+    use crate::*;
+    #[test]
+    pub fn roll_should_yield_correct_number_or_results() {
+        let dice = Dice::grab(3, 6);
+        let dice = dice.roll();
+        assert_eq!(dice.roll_results.len(), 3);
+    }
+    #[test]
+    fn reroll_should_yield_correct_number_of_results() {
+        let dice = Dice::grab(3, 6).roll().roll();
+        assert_eq!(dice.roll_results.len(), 3);
+    }
+}

01.workspace/oxidice_lib/src/tst/dice_sum.rs

@@ -0,0 +1,16 @@
+#[cfg(test)]
+mod tests {
+    use crate::*;
+    #[test]
+    pub fn dice_sum_should_yield_the_correct_sum() {
+        let result = Dice::grab(6, 1).roll().sum().unwrap();
+        assert_eq!(result.sum, 6);
+    }
+    #[test]
+    fn dice_sum_should_list_the_correct_results() {
+        let result = Dice::grab(6, 1).roll().sum().unwrap();
+        for idx in 1..6 {
+            assert_eq!(result.roll_results[idx], 0);
+        }
+    }
+}

01.workspace/oxidice_lib/src/tst/die_roll.rs

@@ -0,0 +1,11 @@
+#[cfg(test)]
+mod tests {
+    use crate::*;
+    #[test]
+    pub fn die_roll_should_always_stay_inside_range() {
+        let die = Die::new(6);
+        for _ in 1..=10000 {
+            assert!(die.roll() < 6);
+        }
+    }
+}

01.workspace/oxidice_lib/src/tst/mod.rs

@@ -1 +1,5 @@
-
+pub mod dice_grab;
+pub mod dice_roll;
+pub mod dice_sum;
+pub mod die_roll;
+pub mod sum_display;

01.workspace/oxidice_lib/src/tst/sum_display.rs

@@ -0,0 +1,9 @@
+#[cfg(test)]
+mod tests {
+    use crate::*;
+    #[test]
+    pub fn sum_display_format_should_be_correct() {
+        let result = Dice::grab(3, 1).roll().sum().unwrap();
+        assert_eq!(&result.to_string(), "[1, 1, 1] -> 3");
+    }
+}