Forgot to check in the ByteSized file in the last commit.

src/byte_sized.rs

@@ -0,0 +1,116 @@
+/// The size of an 8 bit whole number. 1 byte.
+pub const U8_BYTES: usize = 1usize;
+
+/// The size of a 16 bit whole number. 2 byte.
+pub const U16_BYTES: usize = 2usize;
+
+/// The size of a 32 bit whole number. 4 byte.
+pub const U32_BYTES: usize = 4usize;
+
+/// The size of a 64 bit whole number. 8 byte.
+pub const U64_BYTES: usize = 8usize;
+
+/// The size of an 8 bit integer. 1 byte.
+pub const I8_BYTES: usize = 1usize;
+
+/// The size of a 16 bit integer. 2 bytes.
+pub const I16_BYTES: usize = 2usize;
+
+/// The size of a 32 bit integer. 4 bytes.
+pub const I32_BYTES: usize = 4usize;
+
+/// The size of a 64 bit integer. 8 bytes.
+pub const I64_BYTES: usize = 8usize;
+
+
+/// The size of a 32 bit floating point number. 4 bytes.
+pub const F32_BYTES: usize = 4usize;
+
+/// The size of a 64 bit floating point number. 8 bytes.
+pub const F64_BYTES: usize = 8usize;
+
+#[cfg(target_pointer_width = "8")]
+/// This should be the size of the systems pointer width. 1 byte.
+pub const USIZE_BYTES: usize = 1usize;
+
+#[cfg(target_pointer_width = "16")]
+/// This should be the size of the systems pointer width. 2 bytes.
+pub const USIZE_BYTES: usize = 2usize;
+
+#[cfg(target_pointer_width = "32")]
+/// This should be the size of the systems pointer width. 4 bytes.
+pub const USIZE_BYTES: usize = 4usize;
+
+#[cfg(target_pointer_width = "64")]
+/// This should be the size of the systems pointer width. 8 bytes.
+pub const USIZE_BYTES: usize = 8usize;
+
+#[cfg(target_pointer_width = "8")]
+/// This should be the size of the systems pointer width. 1 byte.
+pub const ISIZE_BYTES: usize = 1usize;
+
+#[cfg(target_pointer_width = "16")]
+/// This should be the size of the systems pointer width. 2 bytes.
+pub const ISIZE_BYTES: usize = 2usize;
+
+#[cfg(target_pointer_width = "32")]
+/// This should be the size of the systems pointer width. 4 bytes.
+pub const ISIZE_BYTES: usize = 4usize;
+
+#[cfg(target_pointer_width = "64")]
+/// This should be the size of the systems pointer width. 8 bytes.
+pub const ISIZE_BYTES: usize = 8usize;
+
+
+
+// Note: This is named after my sister Jessica "Monkey" Smith.
+/// Denotes a type that knows how many bits/bytes
+/// it takes to represent it.
+pub trait ByteSized
+{
+   /// The amount of bits it takes to represent this type.
+   const BITS: usize;
+
+   /// The amount of bytes it takes to represent this type.
+   const BYTES: usize;
+
+
+
+   /// The amount of bits it takes to represent this type.
+   fn get_bit_size() -> usize;
+
+   /// The amount of bytes it takes to represent this type.
+   fn get_byte_size() -> usize;
+}
+
+
+macro_rules! byte_sized_impl
+{
+   ($(($varType: ty, $numBytes: expr))*) =>
+   {$(
+      impl ByteSized for $varType
+      {
+         const BITS: usize = $numBytes * 8;
+         const BYTES: usize = $numBytes;
+
+
+
+         fn get_bit_size() -> usize
+         {
+            Self::BITS
+         }
+
+         fn get_byte_size() -> usize
+         {
+            Self::BYTES
+         }
+      }
+   )*}
+}
+
+byte_sized_impl!((u8, U8_BYTES) (u16, U16_BYTES));
+byte_sized_impl!((u32, U32_BYTES) (u64, I64_BYTES));
+byte_sized_impl!((i8, I8_BYTES) (i16, I16_BYTES));
+byte_sized_impl!((i32, I32_BYTES) (i64, U64_BYTES));
+byte_sized_impl!((f32, F32_BYTES) (f64, F64_BYTES));
+byte_sized_impl!((usize, USIZE_BYTES) (isize, ISIZE_BYTES));