fix(trixy-types): Conform to the api provided by the headers

See the previous commit for an explanation

trixy-macros/src/generate/c_api/header/mod.rs

@@ -36,21 +36,21 @@ mod pure_header;
 mod structs_init;
 mod typedef;
 
-const BEGIN_HEADER_GUARD: &'static str = r"#ifndef TRIXY_MAIN_HEADER
+const BEGIN_HEADER_GUARD: &'static str = r"#if !defined TRIXY_MAIN_HEADER
         #define TRIXY_MAIN_HEADER";
-const END_HEADER_GUARD: &'static str = r"#endif // ifndef TRIXY_MAIN_HEADER";
+const END_HEADER_GUARD: &'static str = r"#endif // if !defined TRIXY_MAIN_HEADER";
 
-/// This function acts as the core transformative aspect, turning this trixy code into the
+/// This function acts as the core transformative aspect, turning this Trixy code into the
 /// following c header:
 ///
 /// *Trixy:*
 /// ```text
 /// fn fn_alone();
-/// nasp one {
+/// mod one {
 ///     fn fn_one();
-///     nasp two {
+///     mod two {
 ///         fn fn_two();
-///         nasp three {
+///         mod three {
 ///             fn fn_three();
 ///         }
 ///     }
@@ -58,7 +58,7 @@ const END_HEADER_GUARD: &'static str = r"#endif // ifndef TRIXY_MAIN_HEADER";
 /// ```
 /// *C header:*
 /// ```text
-/// #ifndef TRIXY_MAIN_HEADER
+/// #if !defined TRIXY_MAIN_HEADER
 /// #define TRIXY_MAIN_HEADER
 ///
 /// extern int fn_alone();
@@ -66,30 +66,30 @@ const END_HEADER_GUARD: &'static str = r"#endif // ifndef TRIXY_MAIN_HEADER";
 /// extern int one_two_fn_two();
 /// extern int one_two_three_fn_three();
 ///
-/// typedef struct {
+/// struct three {
 ///   void (*fn_three)(void);
-/// } three_t;
+/// };
-/// typedef struct {
+/// struct two {
 ///   void (*fn_two)(void);
 ///   three_t three;
-/// } two_t;
+/// };
-/// typedef struct {
+/// struct one {
 ///   void (*fn_one)(void);
 ///   two_t two;
-/// } one_t;
+/// } ;
 ///
-/// const three_t three = {
+/// const struct three three = {
 ///     .fn_three = one_two_three_fn_three,
 /// };
-/// const two_t two = {
+/// const struct two two = {
 ///     .fn_two = one_two_fn_two,
 ///     .three = three,
 /// };
-/// const one_t one = {
+/// const struct one one = {
 ///     .fn_one = one_fn_one,
 ///     .two = two,
 /// };
-/// #endif // ifndef TRIXY_MAIN_HEADER
+/// #endif // if !defined TRIXY_MAIN_HEADER
 /// ```
 pub fn generate(trixy: &CommandSpec, _config: &TrixyConfig) -> String {
     let pure_header = pure_header::generate(&trixy);

trixy-macros/src/generate/c_api/header/pure_header.rs

@@ -54,10 +54,10 @@ fn structure_to_header(structure: &Structure) -> String {
     format!(
         "
         {}
-        typedef struct {{
+        struct {} {{
             {}
-        }} {};",
+        }};",
-        doc_comments, contents, ident
+        doc_comments, ident, contents
     )
 }
 fn doc_named_type_to_header(doc_named_type: &DocNamedType) -> String {
@@ -94,10 +94,10 @@ fn enumeration_to_header(enumeration: &Enumeration) -> String {
     format!(
         "
         {}
-        typedef enum {{
+        enum {} {{
             {}
-        }} {};",
+        }};",
-        doc_comments, states, ident
+        doc_comments, ident, states
     )
 }
 fn doc_identifier_to_header(doc_identifier: &DocIdentifier) -> String {

trixy-macros/src/generate/c_api/header/typedef.rs

@@ -51,15 +51,15 @@ fn function_to_typedef(function: &Function) -> TokenStream2 {
 
 fn namespace_to_typedef(namespace: &Namespace) -> TokenStream2 {
     let ident = identifier_to_rust(&namespace.name);
-    let type_ident = format_ident!("{}_t", ident.to_string());
+    let type_ident = format_ident!("{}", ident.to_string());
 
     quote! {
-        #type_ident #ident ;
+        struct #type_ident #ident;
     }
 }
 
 fn namespace_to_full_typedef(nasp: &Namespace) -> String {
-    let ident = format_ident!("{}_t", nasp.name.name);
+    let ident = format_ident!("{}", nasp.name.name);
     let doc_comments = nasp
         .attributes
         .iter()
@@ -84,10 +84,10 @@ fn namespace_to_full_typedef(nasp: &Namespace) -> String {
         .join("\n");
 
     let namespace = quote! {
-        typedef struct {
+        struct #ident {
             #functions
             #namespaces
-        } #ident;
+        };
     };
     format! {"{}\n{}{}\n", next_namespace, doc_comments, namespace}
 }

trixy-macros/src/generate/c_api/host.rs

@@ -27,7 +27,7 @@ use crate::{
     config::TrixyConfig,
     generate::{
         c_api::{mangle_c_function_ident, namespaces_to_path, type_to_c_equalivalent},
-        function_identifier_to_rust, identifier_to_rust, named_type_to_rust,
+        function_identifier_to_rust, identifier_to_rust,
     },
 };
 

trixy-types/Cargo.toml

@@ -30,4 +30,3 @@ proc-macro2 = "1.0.70"
 quote = "1.0.33"
 syn = { version = "2.0.41", features = ["extra-traits", "full", "parsing"] }
 thiserror = "1.0.51"
-trixy-types-derive = { path = "./trixy-types-derive" }

trixy-types/src/error/mod.rs

@@ -32,4 +32,10 @@ pub enum TypeConversionError {
 
     #[error("You passed a untyped (type_id == Unknown) value to the conversion function!")]
     UntypedInput,
+
+    #[error("You passed an unaligned pointer to a function expecting a pointer aligned to it's required value!")]
+    NotAligned,
+
+    #[error("The returned Result was an error: {original_message}")]
+    ResultWasErr { original_message: String },
 }

trixy-types/src/lib.rs

@@ -18,7 +18,7 @@
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
-//! Trixy contains the types used by the [trixy-macros] crate to provide ffi safe types
+//! Trixy contains the types used by the [`trixy-macros`] crate to provide ffi safe types
 pub mod error;
 pub mod traits;
 pub mod types_list;
@@ -33,28 +33,32 @@ macro_rules! header {
 
 /// These are the "primitive" types used in Trixy, you can use any of them to create new structures
 /// The str is the name, the index represents the expected generic arguments
-pub const BASE_TYPES: [(&'static std::primitive::str, usize); 5] = [
+///
-    ("str", 0),
+// NOTE: Every type here must have the [`Convertible`] implemented on it (@soispha)
+pub const BASE_TYPES: [(&'static std::primitive::str, usize); 14] = [
+    // Unsigned
+    ("u8", 0),
+    ("u16", 0),
+    ("u32", 0),
+    ("u64", 0),
+    // Signed
+    ("i8", 0),
+    ("i16", 0),
+    ("i32", 0),
+    ("i64", 0),
+    // Float
+    ("f32", 0),
+    ("f64", 0),
+    // Other
     ("String", 0),
-    ("Result", 2),
     ("Option", 1),
     ("Vec", 1),
+    ("Result", 2),
 ];
 
 /// The first value is the file name, the second it's contents
-pub const C_TYPE_HEADER: [(&'static std::primitive::str, &'static std::primitive::str); 9] = [
+pub const C_TYPE_HEADER: [(&'static std::primitive::str, &'static std::primitive::str); 3] =
-    header!("errno.h"),
+    [header!("errno.h"), header!("string.h"), header!("vec.h")];
-    // These must be *before* "type_id.h"
-    header!("type_id_dec.h"),
-    header!("result_dec.h"),
-    header!("option.h"),
-    header!("string.h"),
-    header!("vec_dec.h"),
-
-    header!("type_id.h"),
-    header!("result.h"),
-    header!("vec.h"),
-];
 
 pub fn header_names() -> std::string::String {
     C_TYPE_HEADER

trixy-types/src/traits/convert_trait.rs

@@ -1,108 +1,166 @@
+use crate::error::{self, TypeConversionError};
 use std::{
-    any::Any,
+    error::Error,
-    ffi::{CStr, CString},
+    ffi::{c_char, CString},
-    os::raw::c_void,
+    mem::ManuallyDrop,
+    ptr,
 };
 
-/// Convert a value
+use super::errno;
+
+/// Convert a value into a data structure that we can send directly to c.
 pub trait Convertible {
-    /// Turn the value into a c void pointer.
+    type Ptr;
-    /// It should try its best to return a value which c can understand.
+    /// Turn the value into a c void pointer or a data structure that c can understand.
-    /// If this however is not possible, it should still return the underlying raw data
+    fn into_ptr(self) -> Self::Ptr;
-    fn into_void(self) -> *const c_void;
+
+    /// If the data returned by [`into_ptr`] needs to be dropped this function should do it.
+    fn drop_ptr(ptr: Self::Ptr) -> Result<(), error::TypeConversionError>;
 }
 
-impl Convertible for crate::String {
+macro_rules! primitive_convert {
-    fn into_void(self) -> *const c_void {
+    [$name:ty] => {
-        self.0 as *const _ as *const c_void
+        impl Convertible for $name {
+            type Ptr = $name;
+
+            fn into_ptr(self) -> Self::Ptr {
+                self
+            }
+
+            fn drop_ptr(_: Self::Ptr) -> Result<(), error::TypeConversionError> {
+                unreachable!("Theres is no need to drop a {}", stringify!($name))
+            }
+        }
     }
 }
 
-impl Convertible for crate::str {
+// Unsigned
-    fn into_void(self) -> *const c_void {
+primitive_convert!(u8);
-        self.0 as *const _ as *const c_void
+primitive_convert!(u16);
-    }
+primitive_convert!(u32);
-}
+primitive_convert!(u64);
 
-impl Convertible for crate::Option {
+// Signed
-    fn into_void(mut self) -> *const c_void {
+primitive_convert!(i8);
-        &mut self as *const _ as *const c_void
+primitive_convert!(i16);
-    }
+primitive_convert!(i32);
-}
+primitive_convert!(i64);
 
-impl Convertible for crate::Vec {
+// Float
-    fn into_void(mut self) -> *const c_void {
+primitive_convert!(f32);
-        &mut self as *const _ as *const c_void
+primitive_convert!(f64);
-    }
-}
-
-impl Convertible for crate::Result {
-    fn into_void(mut self) -> *const c_void {
-        &mut self as *const _ as *const c_void
-    }
-}
-
-impl<T: Convertible + Any + TypeInfo, E: Convertible + Any + TypeInfo> Convertible
-    for Result<T, E>
-{
-    fn into_void(self) -> *const c_void {
-        Into::<crate::Result>::into(self).into_void()
-    }
-}
-
-impl Convertible for &CStr {
-    fn into_void(self) -> *const c_void {
-        Into::<crate::str>::into(self).into_void()
-    }
-}
 
 impl Convertible for CString {
-    fn into_void(self) -> *const c_void {
+    type Ptr = *const *const c_char;
-        Into::<crate::String>::into(self).into_void()
+
+    fn into_ptr(self) -> Self::Ptr {
+        self.into_raw() as *const *const c_char
+    }
+
+    fn drop_ptr(ptr: Self::Ptr) -> Result<(), error::TypeConversionError> {
+        unsafe {
+            if ptr.is_null() {
+                return Err(TypeConversionError::NullPointer);
+            }
+            // TODO(@soispha): Add this, when this feature is stable <2024-02-17>
+            // if !ptr.is_aligned() {
+            //     return Err(TypeConversionError::NotAligned);
+            // }
+
+            // SAFETY:
+            // Checked that the ptr is not null and that it is aligned (to c_char).
+            // This should hopefully be enough to avoid constructing a CString from a pointer not
+            // constructed by a us earlier in the [`into_ptr`] function.
+            // However:
+            // This still builds on the hope that c passes the pointer with the length unchanged.
+            let string = CString::from_raw(ptr as *mut i8);
+            drop(string);
+        }
+        Ok(())
     }
 }
 
-impl Convertible for () {
+impl<T: Convertible> Convertible for Option<T> {
-    fn into_void(self) -> *const c_void {
+    type Ptr = *const T;
-        std::ptr::null()
+
+    fn into_ptr(self) -> Self::Ptr {
+        if let Some(inner) = self {
+            let mut_ref = &mut inner.into_ptr();
+            mut_ref as *mut _ as *const T
+        } else {
+            ptr::null()
+        }
+    }
+
+    fn drop_ptr(_: Self::Ptr) -> Result<(), error::TypeConversionError> {
+        unreachable!(
+            "
+                This should never be called, as this option type resolves
+                to a null pointer or to a pointer to the real value
+                (e. g. a `crate::Vec<T>`)
+            "
+        );
     }
 }
 
-extern crate trixy_types_derive;
+impl<T: Convertible, E: Error> Convertible for Result<T, E> {
-pub use trixy_types_derive::{Convertible, TypeInfo};
+    type Ptr = *const T;
 
-/// Similar to [`std::any::type_name`] but only really works for *some* types.
+    fn into_ptr(self) -> Self::Ptr {
-/// If the type is unknown it will just return [`TypeId::Unknown`]
+        match self {
-pub trait TypeInfo {
+            Ok(ok) => {
-    fn type_of(&self) -> crate::TypeId;
+                let mut_ref = &mut ok.into_ptr();
+                mut_ref as *mut _ as *const T
+            }
+            Err(err) => {
+                errno::set(TypeConversionError::ResultWasErr {
+                    original_message: err.to_string(),
+                });
+                ptr::null()
+            }
+        }
+    }
+
+    fn drop_ptr(_: Self::Ptr) -> Result<(), error::TypeConversionError> {
+        unreachable!(
+            "
+                This should never be called, as this result type resolves
+                to a null pointer (and a set error) or to a pointer to
+                the real value (e. g. a `crate::Vec<T>`)
+            "
+        );
+    }
 }
 
-macro_rules! type_info {
+impl<T> Convertible for Vec<T> {
-    ($name:tt<_>, $output:ident) => {
+    type Ptr = crate::Vec<T>;
-        impl<T> TypeInfo for $name<T> {
+
-            fn type_of(&self) -> crate::TypeId {
+    fn into_ptr(self) -> Self::Ptr {
-                crate::TypeId::$output
+        let mut me = ManuallyDrop::new(self);
+        Self::Ptr {
+            data: me.as_mut_ptr() as *const T,
+            length: me.len(),
+            capacity: me.capacity(),
         }
     }
+
+    fn drop_ptr(ptr: Self::Ptr) -> Result<(), error::TypeConversionError> {
+        let vec = unsafe {
+            if ptr.data.is_null() {
+                return Err(TypeConversionError::NullPointer);
+            }
+
+            // TODO(@soispha): Add this, when this feature is stable <2024-02-17>
+            // if !ptr.data.is_aligned() {
+            //     return Err(TypeConversionError::NotAligned);
+            // }
+
+            // SAFETY:
+            // We simply hope that c treated our vector as read-only and didn't modify it.
+            // See the SAFETY section of the String implementation for more detail.
+            Vec::from_raw_parts(ptr.data as *mut T, ptr.length, ptr.capacity)
         };
-    ($name:tt<_,_>, $output:ident) => {
+        drop(vec);
-        impl<T, E> TypeInfo for $name<T, E> {
+        Ok(())
-            fn type_of(&self) -> crate::TypeId {
-                crate::TypeId::$output
     }
-        }
-    };
-    ($name:ty, $output:ident) => {
-        impl TypeInfo for $name {
-            fn type_of(&self) -> crate::TypeId {
-                crate::TypeId::$output
-            }
-        }
-    };
 }
-type_info!((), void);
-type_info!(&CStr, str_t);
-type_info!(CString, string_t);
-type_info!(Result<_, _>, result_t);
-type_info!(Vec<_>, vec_t);
-type_info!(Option<_>, option_t);

trixy-types/src/traits/mod.rs

@@ -18,212 +18,5 @@
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
-use std::{
-    alloc::Layout,
-    ffi::{c_char, CStr, CString},
-    mem::ManuallyDrop,
-    ptr,
-};
-
-use crate::error::TypeConversionError;
-
-use self::convert_trait::{Convertible, TypeInfo};
-
 pub mod convert_trait;
 pub mod errno;
-
-impl<'a> TryFrom<&'a crate::str> for &'a str {
-    type Error = crate::error::TypeConversionError;
-
-    fn try_from(value: &'a crate::str) -> Result<Self, Self::Error> {
-        let ptr = value.0;
-        if ptr.is_null() {
-            Err(TypeConversionError::NullPointer)
-        } else {
-            // SAFETY: We checked for null, which is a huge upside other things that we simply hope
-            // for:
-            //  - null terminated
-            //  - actually be a valid pointer (`(void*) 2` is *valid* c but not a *valid* pointer)
-            //  - be contained in a single allocated object
-            //  - the memory must obviously not be mutated, while this &str exists
-            //  - the null terminator must be within `isize::MAX` from the start position
-            let str = unsafe { CStr::from_ptr(*ptr as *const c_char) };
-            str.to_str()
-                .map_err(|_err| crate::error::TypeConversionError::String {
-                    got: value.0 as *const c_char,
-                })
-        }
-    }
-}
-impl TryFrom<crate::String> for String {
-    type Error = crate::error::TypeConversionError;
-
-    fn try_from(value: crate::String) -> Result<Self, Self::Error> {
-        let ptr = value.0;
-        if ptr.is_null() {
-            Err(TypeConversionError::NullPointer)
-        } else {
-            // SAFETY: (exactly the same as above applies)
-            let string = unsafe { CStr::from_ptr(ptr) }.to_owned();
-            Ok(string
-                .into_string()
-                .map_err(|err| TypeConversionError::String {
-                    got: err.into_cstring().into_raw(),
-                })?)
-        }
-    }
-}
-
-impl<T: Convertible + TypeInfo> TryFrom<crate::Vec> for Vec<T> {
-    type Error = crate::error::TypeConversionError;
-
-    fn try_from(value: crate::Vec) -> Result<Self, Self::Error> {
-        match value.type_id {
-            crate::TypeId::Unknown => Err(Self::Error::UntypedInput),
-            crate::TypeId::void => Ok(vec![]),
-            crate::TypeId::str_t => {
-                let mut output: Vec<T> = Vec::with_capacity(value.capacity);
-                for i in 0..value.size {
-                    // output.push(value.data.add())
-                }
-                Ok(output)
-            },
-            crate::TypeId::string_t => todo!(),
-            crate::TypeId::result_t => todo!(),
-            crate::TypeId::vec_t => todo!(),
-            crate::TypeId::option_t => todo!(),
-        }
-    }
-}
-
-impl crate::Vec {
-    pub fn pop<T: Convertible + TypeInfo>(&mut self) -> Result<T, TypeConversionError> {
-        match self.type_id {
-            crate::TypeId::Unknown => Err(TypeConversionError::UntypedInput),
-            crate::TypeId::void => Ok(() as T),
-            crate::TypeId::str_t => todo!(),
-            crate::TypeId::string_t => todo!(),
-            crate::TypeId::result_t => todo!(),
-            crate::TypeId::vec_t => todo!(),
-            crate::TypeId::option_t => todo!(),
-        }
-    }
-}
-
-impl From<CString> for crate::String {
-    fn from(value: CString) -> Self {
-        let layout = Layout::array::<u8>(value.as_bytes_with_nul().len()).expect(
-            "We don't handle n > isize::MAX, in the other types. \
-            Thus, this convertion will fail",
-        );
-        // SAFETY:
-        //  - The layout should never have zero size (at least 1)
-        //  - The memory blocks are copied from the string, thus initialization is irrelevant
-        let ptr = unsafe { std::alloc::alloc(layout) };
-        if ptr.is_null() {
-            // TODO(@soispha): How do we handle this? <2023-12-27>
-            panic!("While preparing a string for c failed to allocate memory, the pointer is null");
-        }
-
-        // SAFETY:
-        //  - Both are valid for reads of `count * size_of::<char>()` bytes because we checked
-        //    their length
-        //  - They are properly aligned for types of [`c_char`]
-        unsafe {
-            ptr::copy(
-                value.as_ptr(),
-                ptr as *mut i8,
-                value.as_bytes_with_nul().len(),
-            )
-        };
-
-        Self(ptr as *const c_char)
-    }
-}
-
-impl<'a> From<&'a CStr> for crate::str {
-    fn from(value: &'a CStr) -> Self {
-        crate::str(value.as_ptr() as *const u8)
-    }
-}
-
-impl<T> From<Vec<T>> for crate::Vec
-where
-    T: Convertible + TypeInfo,
-{
-    fn from(value: Vec<T>) -> Self {
-        if value.is_empty() {
-            Self {
-                type_id: crate::TypeId::Unknown,
-                data: ptr::null(),
-                size: 0,
-                capacity: 0,
-            }
-        } else {
-            let value_type = value.first().expect("We checked the length").type_of();
-            let value: Vec<_> = value.into_iter().map(|val| val.into_void()).collect();
-
-            // We simply tell rust, that c should drop the value
-            let vec = ManuallyDrop::new(value);
-            Self {
-                type_id: value_type,
-                data: *vec.first().expect("This exists"),
-                size: vec.len(),
-                capacity: vec.capacity(),
-            }
-        }
-    }
-}
-
-impl<T> From<Option<T>> for crate::Option
-where
-    T: Convertible + TypeInfo,
-{
-    fn from(value: Option<T>) -> Self {
-        match value {
-            Some(value) => Self {
-                type_id: value.type_of(),
-                value: value.into_void(),
-                some: true,
-            },
-            None => Self {
-                type_id: crate::TypeId::Unknown,
-                value: ptr::null(),
-                some: false,
-            },
-        }
-    }
-}
-
-// impl<'a> From<&'a str> for crate::str {
-//     fn from(value: &'a str) -> Self {
-//         let ptr = value.as_ptr();
-//         // This is taken from std's CStr
-//
-//         // SAFETY: We do not handle any strings larger than `isize::MAX` thus this call works.
-//         //
-//         // The cast from c_char to i8 is ok because a c_char is always one byte.
-//         unsafe { CStr::from_ptr(ptr as *const i8) }.into()
-//     }
-// }
-
-impl<T, E> From<Result<T, E>> for crate::Result
-where
-    T: Convertible + TypeInfo,
-    E: Convertible + TypeInfo,
-{
-    fn from(value: Result<T, E>) -> Self {
-        match value {
-            Ok(ok) => Self {
-                type_id: ok.type_of(),
-                tag: crate::ResultTag::Ok,
-                value: ok.into_void(),
-            },
-            Err(err) => Self {
-                type_id: err.type_of(),
-                tag: crate::ResultTag::Err,
-                value: err.into_void(),
-            },
-        }
-    }
-}

trixy-types/src/types_list.rs

@@ -1,70 +1,12 @@
 // NOTE(@soispha): All types specified here *MUST* be include in the BASE_TYPES constant, otherwise
 // they are not usable from Trixy code <2023-12-25>
 
-use std::ffi::{c_char, c_void};
-
 #[derive(Debug)]
 #[repr(C)]
-pub struct String(pub(crate) *const c_char);
+pub struct Vec<T> {
-
+    /// You should cast this value to it's supposed type (readable from the Trixy api definition
-#[derive(Debug)]
+    /// file)
-#[repr(C)]
+    pub(crate) data: *const T,
-#[allow(non_camel_case_types)]
+    pub(crate) length: usize,
-pub struct str(pub(crate) *const u8);
-
-#[derive(Debug)]
-#[repr(C)]
-pub enum TypeId {
-    /// We simply don't know which type this is
-    Unknown,
-
-    #[allow(non_camel_case_types)]
-    void,
-
-    #[allow(non_camel_case_types)]
-    str_t,
-
-    #[allow(non_camel_case_types)]
-    string_t,
-
-    #[allow(non_camel_case_types)]
-    result_t,
-
-    #[allow(non_camel_case_types)]
-    vec_t,
-
-    #[allow(non_camel_case_types)]
-    option_t,
-}
-
-#[derive(Debug)]
-#[repr(C)]
-pub enum ResultTag {
-    Ok,
-    Err,
-}
-
-#[derive(Debug)]
-#[repr(C)]
-pub struct Result {
-    pub(crate) type_id: TypeId,
-    pub(crate) tag: ResultTag,
-    pub(crate) value: *const c_void,
-}
-
-#[derive(Debug)]
-#[repr(C)]
-pub struct Vec {
-    pub(crate) type_id: TypeId,
-    pub(crate) data: *const c_void,
-    pub(crate) size: usize,
     pub(crate) capacity: usize,
 }
-
-#[derive(Debug)]
-#[repr(C)]
-pub struct Option {
-    pub(crate) type_id: TypeId,
-    pub(crate) value: *const c_void,
-    pub(crate) some: bool,
-}

trixy-types/trixy-types-derive/.gitignore

@@ -1,6 +0,0 @@
-# build
-/target
-/result
-
-# This crate is a library
-Cargo.lock

trixy-types/trixy-types-derive/Cargo.toml

@@ -1,13 +0,0 @@
-[package]
-name = "trixy-types-derive"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-syn = "1.0"
-quote = "1.0"
-
-[lib]
-proc-macro = true

trixy-types/trixy-types-derive/src/lib.rs

@@ -1,38 +0,0 @@
-use proc_macro::TokenStream;
-use quote::quote;
-
-#[proc_macro_derive(Convertible)]
-pub fn convertible_derive(input: TokenStream) -> TokenStream {
-    // Construct a representation of Rust code as a syntax tree
-    // that we can manipulate
-    let ast: syn::DeriveInput = syn::parse(input).unwrap();
-
-    // Build the trait implementation
-    let name = &ast.ident;
-    let gen = quote! {
-        impl trixy::types::traits::convert_trait::Convertible for #name {
-            fn into_void(mut self) -> *const core::ffi::c_void {
-                &mut self as *const _ as *const core::ffi::c_void
-            }
-        }
-    };
-    gen.into()
-}
-
-#[proc_macro_derive(TypeInfo)]
-pub fn type_info_derive(input: TokenStream) -> TokenStream {
-    // Construct a representation of Rust code as a syntax tree
-    // that we can manipulate
-    let ast: syn::DeriveInput = syn::parse(input).unwrap();
-
-    // Build the trait implementation
-    let name = &ast.ident;
-    let gen = quote! {
-        impl trixy::types::traits::convert_trait::TypeInfo for #name {
-             fn type_of(&self) -> trixy::types::TypeId {
-                 trixy::types::TypeId::Unknown
-             }
-        }
-    };
-    gen.into()
-}