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alias main = ReduceBuffer with {
    alias Op = SumBinaryOp<F32>;
    const block_area: u32 = 4u;
    const work_size: u32 = 18u;
    const threads: u32 = 10u;
}::main;

struct Sum<N> {
    sum: N::T
}

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// Module signature that simply exposes the single type T. Could perhaps later be sugared to elide the module in follow-up 
// work
mod sig Type {
  type T;
}

// Module signature that exposes a single constant `value`. Could perhaps later be sugared to elide the module in follow-up work
mod sig Const<Type: Type> {
  const value: Type::T;
}

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pub mod make_particle_effect<particle: particle_module<acc>, spawner: spawner_module<particle, acc>, acc: acceleration_structure_module, group_index: u32>: particle_effect {
    use bevy_globals::time;
    use bevy_hanabi::vfx_common::{
      IndirectBuffer, ParticleGroup, RenderEffectMetadata, RenderGroupIndirect, SimParams,
      seed, tau, pcg_hash, to_float01, frand, frand2, frand3, frand4,
      rand_uniform_f, rand_uniform_vec2, rand_uniform_vec3, rand_uniform_vec4, proj
    }

    pub type Particle = particle::Particle; 
    struct ParticleBuffer {

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Module System

New keyword mod allows declaration of a sub-module. This allows discovery of modules within a crate as well as providing a single entry point for processing preprocessor directives. Modules follow rust rules such that if a crate is called x which has a sub-module a, the canonical name for the module will be x::a. x::a is added to x's symbol scope. Additional keywords self, super, and crate allow users to refer to modules relative to the current module.

Future work

• Allowing declaration of sub module code inline to the parent module
• Rust macro that creates a set of shader modules embedded in the code based off of rust/cargo file resolution logic. These would also include the encased shader types in the rust code if no preprocessor directives would influence the result.
• Allow modules in the same crate to mutually import symbols from one another. This will require parsing wgsl to generate the headers.
• Later: Extension to the language to allow for definition of mo

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#include <simd/simd.h>

using namespace metal;

struct FrameData
{
    float4x4 projectionMatrix;
    float4x4 projectionMatrixInv;
    float4x4 viewMatrix;
    float4x4 viewMatrixInv;

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DeviceTracking
  NotOnItinerary*
    setItinerary -> OnItinerary
    updateLocation -> NotOnItinerary
  OnItinerary
    clearItinerary -> NotOnItinerary
    setItinerary -> OnItinerary
    OnTime*
      arrived at final destination -> NotOnItinerary
      irrecoverably late -> FailedItinerary    

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/**
 * Easing
 * Animates the value of a float property between two target values using 
 * Robert Penner's easing equations for interpolation over a specified Duration.
 *
 * Original Author:  Darren David darren-code@lookorfeel.com
 *
 * Ported to be easily used in Unity by Marco Mastropaolo
 *
 * Credit/Thanks:

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## Yaml Merge
*.anim merge=unityyamlmerge
*.asset merge=unityyamlmerge
*.controller merge=unityyamlmerge
*.mat merge=unityyamlmerge
*.meta merge=unityyamlmerge
*.physicsMaterial merge=unityyamlmerge
*.physicsMaterial2D merge=unityyamlmerge
*.prefab merge=unityyamlmerge
*.unity merge=unityyamlmerge

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Shader "Unlit/DissolveEffectShader"
{
	Properties
	{
		_MainTex ("Texture", 2D) = "white" {}
		_NoiseTex ("Texture", 2D) = "white" {}
		[MaterialToggle] PixelSnap ("Pixel snap", Float) = 0
		_EdgeColour1 ("Edge colour 1", Color) = (1.0, 1.0, 1.0, 1.0)
		_EdgeColour2 ("Edge colour 2", Color) = (1.0, 1.0, 1.0, 1.0)
		_Level ("Dissolution level", Range (0.0, 1.0)) = 0.1

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exception RouteDoesNotMatch
exception MalformedRouteString of string
exception MalformedQueryString of string
exception MalformedQueryParameter of string* string* exn

type 'ty path =
  | End: unit path
  | Constant: string* 'ty path -> 'ty path
  | String: string* 'ty path -> (string* 'ty) path
  | Int: string* 'ty path -> (int* 'ty) path