initial

.gitignore

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+/target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "illion"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "illion"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}
+
+pub trait Illion: Sized {
+    #[must_use]
+    fn ten(self) -> Self;
+    illion! {
+    hundred               2
+    thousand              3
+    million               6
+    billion               9
+    trillion             12
+    quadrillion          15
+    quintillion          18
+    sextillion           21
+    septillion           24
+    octillion            27
+    nonillion            30
+    decillion            33
+    undecillion          36
+    duodecillion         39
+    tredecillion         42
+    quattuordecillion    45
+    quindecillion        48
+    sexdecillion         51
+    septemdecillion      54
+    octodecillion        57
+    novemdecillion       60
+    vigintillion         63
+    unvigintillion       66
+    duovigintillion      69
+    trevigintillion      72
+    quattuorvigintillion 75
+    quinvigintillion     78
+    sexvigintillion      81
+    septvigintillion     84
+    octovigintillion     87
+    nonvigintillion      90
+    trigintillion        93
+    untrigintillion      96
+    duotrigintillion     99
+    }
+}
+
+// A lot of these make zero sense lol
+illion_impl! {
+    // Unsigned integers
+    u8:    10
+    u16:   10
+    u32:   10
+    u64:   10
+    u128:  10
+    usize: 10
+    // Signed integers
+    i8:    10
+    i16:   10
+    i32:   10
+    i64:   10
+    i128:  10
+    isize: 10
+    // Floats
+    f32:   10.0
+    f64:   10.0
+}
+
+#[macro_export]
+macro_rules! illion {
+    ($( $name:ident $pow:expr ) +) => {
+        $(
+            #[must_use]
+        fn $name(self) -> Self {
+            let mut result = self;
+            for _ in 0..$pow {
+                result = result.ten();
+            }
+            result
+        }
+        )+
+    };
+}
+
+#[macro_export]
+macro_rules! illion_impl {
+    ($( $type:ty : $ten:expr )  +) => {
+        $(
+            impl Illion for $type {
+                fn ten(self) -> Self {
+                    self * $ten
+                }
+            }
+        )+
+    };
+}