Technical Notes

Technical Notes describe in-progress language features that are not yet stable enough to be in the language specification. Additionally, a Technical Note can describe implementation details that can be ignored by most Chapel programmers.

Base Language Features

• Associative Set Operations
• Avoiding Array Element Initialization with noinit
• Error Handling Modes and Prototype Modules
• First-class Functions in Chapel
• Including Sub-Modules from Separate Files
• main() Functions
• Module Search Paths
• Operator Methods
• The 'manage' Statement
• Attributes

Initializers and Generic Programming

• Forwarding Methods Calls
• The ‘init=’ Method
• Invoking Initializers with a Generic Instantiation
• Partial Instantiations
• Throwing Initializers

Parallel Language Features

• Domain Map Standard Interface
• The ‘local’ keyword
• Querying a Local Subdomain
• Reduce Intents
• Runtime Support for Atomics
• The 'foreach' Loop
• GPU Programming

Interoperability

• C Interoperability
• Calling Chapel Code from Other Languages
• Fortran Interoperability
• Using the Chapel Allocator from C

IO

• IO Serializers and Deserializers

Compiler Features

• Checking for Nil Dereferences
• Checking Overload Sets
• Checking Variable Lifetimes
• LLVM Support
• Variables to Detect Compilation Configuration

Tool Details

• Protocol Buffers Support - Generated Chapel Code