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basic no_std support, as long as you avoid Text and Data and List #7

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basic no_std support, as long as you avoid Text and Data and List #7

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0fe01eb
basic no_std support, as long as you avoid Text and Data and List
alsuren Mar 20, 2025
4543462
tweaks after trying it in my esp_hal based project
alsuren Mar 20, 2025
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2 changes: 1 addition & 1 deletion Cargo.toml
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Expand Up @@ -14,7 +14,7 @@ readme = "README.md"
capnp_conv = { path = "capnp_conv", version = "0.3.1" }
capnp_conv_macros = { path = "capnp_conv_macros", version = "0.3.1" }

capnp = "0.20"
capnp = { "version" = "0.20", default-features = false }
capnpc = "0.20"
heck = "0.5"
proc-macro2 = "1.0"
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4 changes: 4 additions & 0 deletions capnp_conv/Cargo.toml
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Expand Up @@ -11,3 +11,7 @@ readme.workspace = true
capnp_conv_macros.workspace = true

capnp.workspace = true

[features]
default = ["std"]
std = ["capnp/default"]
3 changes: 3 additions & 0 deletions capnp_conv/src/lib.rs
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@@ -1,5 +1,8 @@
#![cfg_attr(not(feature = "std"), no_std)]

use capnp::{traits::Owned, Result};
pub use capnp_conv_macros::capnp_conv;
use core::marker::Sized;

pub trait Writable {
type OwnedType: Owned;
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2 changes: 1 addition & 1 deletion capnp_conv_macros/src/generators.rs
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Expand Up @@ -571,7 +571,7 @@ fn generate_try_from_impl(
let capnp_generics: Vec<Ident> = generics.iter().map(to_capnp_generic).collect();
quote! {
impl<'a, #(#generics, #capnp_generics),*>
::std::convert::TryFrom<#capnp_path::Reader<'a, #(#capnp_generics),*>>
::core::convert::TryFrom<#capnp_path::Reader<'a, #(#capnp_generics),*>>
for #rust_name<#(#generics),*>
where
#(#generics: ::capnp_conv::Readable<OwnedType = #capnp_generics>,)*
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