lyaml 6.1 Reference

# Module `lyaml.functional`

## Functions

isnull (x) | `lyaml.null` predicate.
iscallable (x) | Callable predicate.
anyof (fns) | Compose a function to try each callable with supplied args.
id (...) | Return arguments unchanged.

## Tables

NULL | `lyaml.null` value.

## Functions

isnull (x)
  `lyaml.null` predicate.

  ### Parameters:

  - x operand

  ### Returns:

  bool `true` if x is `lyaml.null`.
iscallable (x)
  Callable predicate.

  ### Parameters:

  - x operand

  ### Returns:

  bool `true` if x is a function has a __call metamethod

  ### Usage:

      r = iscallable (x) and x (...)

anyof (fns)
  Compose a function to try each callable with supplied args.

  ### Parameters:

  - fns table list of functions to try

  ### Returns:

  function a new function to call ... functions, stopping and returning the first non-nil result, if any
id (...)
  Return arguments unchanged.

  ### Parameters:

  - ... arguments

  ### Returns:

  ...

## Tables

NULL
  `lyaml.null` value.

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