package async_extended

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in-package search v0.2.0

async_extended
- Async_extended
  - Any_error
    
    Applicative_infix
  - Async_cbreak
  - Async_color_print
  - Async_heap
  - Async_mutex
  - Coalesced_throttle
  - Cpu_load
    
    Stats
  - Csv
  - Deferred_cache
  - Deferred_list
  - Delimited
  - Embedded_script
  - Enforcer
  - Extended_log
    
    Console
    
    Blocking
    
    Syslog
    
    Blocking
  - Fd_leak_check
  - File_updates
    
    Update
  - Find
  - Generator
  - Inotify
  - Interactive_edit
  - Keyed_sequencer
  - Ltl
    
    Make
    
    Assignment
    
    Expression
    
    Applicative_infix
    
    Args
    
    Field
    
    O
    
    State
    
    Variable
    
    State
  - Mailbox
    
    Filter
  - Pipe_iterator
  - Pipe_zipper
  - Priority_queue
  - Process
    
    Output
  - Reader_ext
  - Ref
  - Resource
    
    Let_syntax
    
    Let_syntax
    
    Open_on_rhs
    
    Memo
    
    Key
    
    Hash_queue
    
    Key
    
    Hash_set
    
    Provide_bin_io
    
    X
    
    Provide_of_sexp
    
    X
    
    Table
    
    Provide_bin_io
    
    Key
    
    Provide_of_sexp
    
    Key
    
    Monad_infix
    
    Raw
    
    Handle
  - Rpc_proxy
    
    Environment
  - Run_in_fork
  - Semaphore
  - Shell
  - Signal
  - Simple_tcp_proxy
  - Sound
  - Std
    
    Log
    
    Reader
  - Synccast
  - Udp
  - Validate_command
    
    S
  - Watcher

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type ('f, 'r) t

'f is the type of a function that consumes the list of arguments and returns an 'r.

val nil : ('r, 'r) t

the empty argument list *

val cons : 'a t -> ('f, 'r) t -> ('a -> 'f, 'r) t

prepend an argument

val (@>) : 'a t -> ('f, 'r) t -> ('a -> 'f, 'r) t

infix operator for cons

val step : ('f1, 'r) t -> f:('f2 -> 'f1) -> ('f2, 'r) t

Transform argument values in some way. For example, one can label a function argument like so:

step ~f:(fun f x -> f ~foo:x) : ('a -> 'r1, 'r2) t -> (foo:'a -> 'r1, 'r2) t

The preferred way to factor out an Args sub-sequence:

let args =
  Foo.Args.(
    bar "A"
    (* TODO: factor out the common baz qux sub-sequence *)
    @> baz "B"
    @> qux "C"
    @> zap "D"
    @> nil
  )

is to write a function that prepends the sub-sequence:

let baz_qux remaining_args =
  Foo.Args.(
    baz "B"
    @> qux "C"
    @> remaining_args
  )

and splice it back into the original sequence using @@ so that things line up nicely:

let args =
  Foo.Args.(
    bar "A"
    @> baz_qux
    @@ zap "D"
    @> nil
  )

val mapN : f:'f -> ('f, 'r) t -> 'r t

val applyN : 'f t -> ('f, 'r) t -> 'r t