stdlib 41.2.2 Reference

# Module `std.strict`

Checks uses of undeclared global variables.

All global variables must be 'declared' through a regular assignment (even assigning `nil` will do) in a top-level chunk before being used anywhere or assigned to inside a function.

To use this module, just require it near the start of your program.

From Lua distribution (`etc/strict.lua`).

## Functions

__index (t, n) | Detect dereference of undeclared global.
__newindex (t, n, v) | Detect assignment to undeclared global.

## Functions

Methods

__index (t, n)
  Detect dereference of undeclared global.

  ### Parameters:

  - t table `_G`
  - n string name of the variable being dereferenced
__newindex (t, n, v)
  Detect assignment to undeclared global.

  ### Parameters:

  - t table `_G`
  - n string name of the variable being declared
  - v initial value of the variable

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