Complex expressions

A complex expression is something that Crochet needs to perform an unknown amount of work to execute—and executing it may still fail. Complex expressions are allowed everywhere expressions are, but they are not allowed in define declarations.

• Program application
• condition expression
• continue with expression
• Delayed programs (Lambdas)
• do .. end expression
• for expression
  • Iteration form
  • Filter form
  • Nested form
• force expression
• foreign expression
• handle expression
  • Example
    • Continuations
    • Returns
• Holes
• Command invocation
  • Postfix invocation
  • Prefix invocation
  • Binary invocation
  • Keyword invocation
  • Self-less keyword invocation
  • Precedence rules
  • Associativity rules
  • Partial invocation
• perform expression
• Pipe expressions
  • Self pipe
  • Generic pipe
• Projection
• return expression
  • In contracts
  • In effect handlers
• self expression
• Static types
• Variable references