no_std compat lib(sorta)

Author: pranav-bhatt

Cargo.toml

@@ -17,11 +17,11 @@ categories = ["web-programming", "encoding", "data-structures"]
 name = "cloudevents"
 
 [dependencies]
-serde = { version = "^1.0", features = ["derive"] }
-serde_json = "^1.0"
-chrono = { version = "^0.4", features = ["serde"] }
+serde = { version = "^1.0", default-features=false,features = ["derive","alloc"] }
+serde_json = { version = "^1.0", default-features = false, features = ["alloc"] }
+chrono = { version = "^0.4", default-features=false ,features = ["serde","alloc","clock"] }
 delegate-attr = "^0.2"
-base64 = "^0.12"
+base64 = { version = "^0.12", default-features = false, features = ["alloc"] }
 url = { version = "^2.1", features = ["serde"] }
 snafu = "^0.6"
 bitflags = "^1.2"
@@ -32,7 +32,7 @@ hostname = "^0.3"
 uuid = { version = "^0.8", features = ["v4"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-web-sys = { version = "^0.3", features = ["Window", "Location"] }
+web-sys = { version = "^0.3", default-features = false,features = ["Window", "Location"] }
 uuid = { version = "^0.8", features = ["v4", "wasm-bindgen"] }
 
 [dev-dependencies]

src/event/displayerr.rs

@@ -1,5 +1,4 @@
 use core::fmt::{self, Debug, Display};
-use snafu::Snafu;
 
 #[derive(Clone)]
 pub struct DisplayError<T>(pub T);

src/event/spec_version.rs

@@ -1,5 +1,5 @@
 use super::{v03, v10};
-use serde::export::Formatter; // double check
+use serde::export::Formatter;
 use snafu::Snafu;
 use std::convert::TryFrom;
 use std::fmt;

src/event/types.rs

@@ -1,5 +1,4 @@
 use chrono::{DateTime, Utc};
-use snafu;
 use std::prelude::v1::*;
 use url::Url;
 

src/message/error.rs

@@ -2,7 +2,7 @@ use core::fmt::{self, Debug, Display};
 use snafu::Snafu;
 use std::prelude::v1::*;
 
-struct DisplayError<T>(pub T);
+pub struct DisplayError<T>(pub T);
 
 impl<T> Debug for DisplayError<T>
 where