stdlib 41.2.2

• Index

Contents

• Functions

Modules

• std
• std.debug
• std.functional
• std.io
• std.math
• std.operator
• std.package
• std.strict
• std.string
• std.table

Classes

• std.tree
• std.container
• std.object
• std.list
• std.optparse
• std.set
• std.strbuf

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

Functions

__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