include_library [function]

include_library( string lib[, bool override ] )

loads the global variables of the specific library lib in the state, returns success, as bool, emits a warning on failure

• lib must be one of 'fmt', 'io', 'math', 'os', 'string'
• if override is specified, library will be reloaded even if it was already loaded before
• this function is equivalent to the sgs_LoadLib_* functions in the C API

printvar( sin ); // warning, null
include_library( "math" );
printvar( sin ); // C function