azure-functions 0.1.2

Support for writing Azure Functions in Rust.
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use codegen::Binding;
use rpc::protocol;
use serde::{ser::SerializeMap, Serialize, Serializer};

#[doc(hidden)]
pub struct Function {
    pub name: &'static str,
    pub disabled: bool,
    pub bindings: &'static [&'static Binding],
    pub callback: fn(&protocol::InvocationRequest) -> protocol::InvocationResponse,
}

// TODO: when https://github.com/serde-rs/serde/issues/760 is resolved, remove implementation in favor of custom Serialize derive
// The fix would allow us to set the constant `generatedBy` entry rather than having to emit them manually.
impl Serialize for Function {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        let mut map = serializer.serialize_map(None)?;

        map.serialize_entry("generatedBy", "azure-functions-rs")?;
        map.serialize_entry("disabled", &self.disabled)?;
        map.serialize_entry("bindings", self.bindings)?;

        map.end()
    }
}