Checks if @type_string is a valid GVariant type string. This call is equivalent to calling g_variant_type_string_scan() and confirming that the following character is a nul terminator.
a pointer to any string
%TRUE if @type_string is exactly one valid type string
Since 2.24
See Implementation
Checks if @type_string is a valid GVariant type string. This call is equivalent to calling g_variant_type_string_scan() and confirming that the following character is a nul terminator.